CN112917385A - Workpiece supporting device of grinding machine - Google Patents
Workpiece supporting device of grinding machine Download PDFInfo
- Publication number
- CN112917385A CN112917385A CN201911234231.8A CN201911234231A CN112917385A CN 112917385 A CN112917385 A CN 112917385A CN 201911234231 A CN201911234231 A CN 201911234231A CN 112917385 A CN112917385 A CN 112917385A
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- CN
- China
- Prior art keywords
- support
- groove
- base
- workpiece
- grinding machine
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- 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
-
- 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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
-
- 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
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
Abstract
The invention provides a workpiece supporting device of a grinding machine, and belongs to the technical field of machinery. The grinding machine comprises a machine body, a spindle which is rotatably arranged on the machine body and provided with a chuck at the front end, and a front bracket arranged on the machine body, wherein the front bracket is arranged on the front side of the chuck, a groove body used for supporting a workpiece is arranged on the front bracket, the machine body is also provided with a base and a translation mechanism capable of driving the base to axially slide in a reciprocating manner along the spindle, the base and the front bracket are axially distributed along the spindle, and the front bracket is positioned between the base and the spindle; be equipped with the rear bracket on the base and be used for driving the elevating system that the rear bracket reciprocated, have on the rear bracket roof and be the strip and run through the support groove that sets up along the main shaft axial, hold in the palm the groove and constitute by the relative both sides wall that sets up and the diapire that is located between the both sides wall, two ask the groove lateral wall all to be the strip and all to be the slope setting, distance between the two support groove lateral walls diminishes downwards gradually, ask the groove diapire to be the crookedness in order to constitute the transversal chip groove of personally submitting the. The invention can improve the processing precision of the long workpiece.
Description
Technical Field
The invention belongs to the technical field of machinery, relates to a grinding machine, and particularly relates to a workpiece supporting device of the grinding machine.
Background
A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like.
In a conventional grinding machine, a fixed support seat is generally provided for supporting a workpiece, so as to improve the rigidity and accuracy of workpiece processing. However, the position of the fixed supporting seat cannot be adjusted, so that the grinding machine cannot be applied to long workpiece processing.
Disclosure of Invention
The invention aims to provide a workpiece supporting device of a grinding machine, aiming at solving the problems in the prior art, and solving the technical problem of how to improve the processing precision of a long workpiece.
The purpose of the invention can be realized by the following technical scheme: the workpiece supporting device of the grinding machine comprises a machine body, a spindle which is rotatably arranged on the machine body and provided with a chuck at the front end, and a front bracket arranged on the machine body, wherein the front bracket is arranged on the front side of the chuck, and a groove body used for supporting a workpiece is arranged on the front bracket; be equipped with the rear bracket on the base and be used for driving the elevating system that the rear bracket reciprocated, have on the rear bracket roof and be the strip and run through the support groove that sets up along the main shaft axial, support the groove by the relative both sides wall that sets up with be located the diapire between the both sides wall and constitute, two hold in the palm the groove lateral wall and all be the slope setting, and two distance between holding in the palm the groove lateral wall diminishes downwards gradually, hold in the palm the groove diapire and be the crookedness in order to constitute the transversal chip groove of personally submitting the U-shaped.
The using process is as follows: one end of the long workpiece is clamped on the main shaft chuck, and one end of the long workpiece is positioned in the groove body and is pressed against the inner wall of the groove body; the translation mechanism drives the rear bracket to a grinding position, and then the lifting mechanism works to enable the bracket to gradually accommodate the long workpiece processing part and enable the long workpiece processing part to be pressed against the side walls of the two brackets; when the long workpiece is continuously pushed for grinding, the translation mechanism can drive the rear bracket to move along with the long workpiece, so that the rear bracket is always supported at the grinding position, and the rigidity and the precision during machining are improved.
In the grinding machine workpiece supporting device, the rear bracket comprises a vertically arranged strip-shaped supporting rod and a support which is used for being connected with the lifting mechanism, the supporting groove is located on the supporting rod, a sliding groove which penetrates through the supporting rod along the axial direction of the main shaft is formed in the top wall of the support, the sliding groove is matched with the supporting rod, the lower end of the supporting rod is inserted into the sliding groove, the supporting rod can swing back and forth relative to the base, and a locking piece used for locking the supporting rod is arranged on the support. The supporting rod can swing back and forth and be locked relative to the base, so that the supporting range of the supporting rod can be further expanded, and the practicability of the device is improved.
In foretell grinding machine work piece strutting arrangement, the support on still have the bar hole that runs through the setting along the main shaft axial, and the bar hole is located spout one side, the front end in bar hole is the screw hole, the rear end intercommunication spout in bar hole, the lock piece be the bolt of spiro union in the screw hole, the pole portion of bolt extends to bar hole rear end and sticiss the die-pin lower extreme on the spout inner wall.
As another scheme, in the above grinding machine workpiece supporting device, the locking member includes a screw rod horizontally fixed in the chute and two pressing caps screwed on the screw rod, the supporting rod has a through hole for the screw rod to pass through, the two pressing caps are respectively disposed at two sides of the supporting rod, and the two pressing caps are pressed against the side wall of the supporting rod.
In the above grinding machine workpiece support device, the lifting mechanism is a cylinder, and a piston rod of the cylinder is fixedly connected with the support.
As another scheme, in the above grinding machine workpiece supporting device, the lifting mechanism is a push rod motor, and a push rod of the push rod motor is fixedly connected with the support.
In the workpiece supporting device of the grinding machine, the translation mechanism comprises a lead screw horizontally and fixedly arranged on the machine body, a motor used for driving the lead screw to rotate and a nut arranged on the lead screw, and the base is fixed on the nut.
As another scheme, in the above grinding machine workpiece support device, the translation mechanism includes an oil cylinder, and a piston rod of the oil cylinder is fixedly connected with the base.
Compared with the prior art, the workpiece supporting device of the grinding machine has the following advantages:
1. when the long workpiece is continuously pushed for grinding, the translation mechanism can drive the rear bracket to move along with the long workpiece, so that the rear bracket is always supported at the grinding position, and the rigidity and the precision during machining are improved.
2. The supporting rod can swing back and forth and be locked relative to the base, so that the supporting range of the supporting rod can be further expanded, and the practicability of the device is improved.
Drawings
Fig. 1 is a schematic structural diagram of the workpiece supporting device of the grinding machine.
Fig. 2 is a schematic view of the connection structure of the rear bracket, the base and the cylinder.
Fig. 3 is an enlarged schematic view of a structure at a in fig. 1.
In the figure, 1, a lathe bed; 2. a main shaft; 2a, a chuck; 3. a front bracket; 4. a base; 5. a lead screw; 6. a motor; 7. a nut; 8. a rear bracket; 8b, a supporting rod; 8b1, bracket; 8b1a, bracket side walls; 8b1b, bracket bottom wall; 8c, a support; 8c1, a chute; 9. a locking member; 10. and a cylinder.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, in the workpiece support device for a grinding machine, the grinding machine includes a bed 1, a spindle 2 rotatably provided on the bed 1 and having a collet 2a at a front end thereof, and a front bracket 3 fixed to the bed 1. Wherein, the front bracket 3 is arranged at the front side of the chuck 2a, and the front bracket 3 is provided with a groove body for supporting a workpiece.
Specifically, the lathe bed 1 is further provided with a base 4 and a translation mechanism capable of driving the base 4 to axially slide in a reciprocating manner along the spindle 2, the base 4 and the front bracket 3 are axially distributed along the spindle 2, and the front bracket 3 is located between the base 4 and the spindle 2. In this embodiment, the translation mechanism includes a screw 5 horizontally fixed on the bed 1, a motor 6 for driving the screw 5 to rotate, and a nut 7 disposed on the screw 5, and the base 4 is fixed on the nut 7. As shown in fig. 1, the base 4 is provided with a rear bracket 8 and a lifting mechanism for driving the rear bracket 8 to move up and down. As shown in fig. 2, the top wall of the rear bracket 8 has a strip-shaped bracket 8b1 passing through the spindle 2 axially, the bracket 8b1 is composed of two opposite side walls and a bottom wall located between the two side walls, wherein the two side walls of the two brackets are both strip-shaped and are both disposed obliquely, the distance between the two side walls 8b1a of the brackets is gradually decreased downwards, and the bottom wall 8b1b of the brackets is curved to form a chip groove with a U-shaped cross section.
Further, the rear bracket 8 includes a bar-shaped support rod 8b vertically arranged and a support 8c for connecting with the lifting mechanism. The bracket 8b1 is arranged on the supporting rod 8b, the top wall of the support 8c is provided with a sliding groove 8c1 which is arranged along the axial direction of the main shaft 2 in a penetrating way, the sliding groove 8c1 is matched with the supporting rod 8b, the lower end of the supporting rod 8b is inserted in the sliding groove 8c1, the supporting rod 8b can swing back and forth relative to the base 4, and the support 8c is provided with a locking piece 9 used for locking the supporting rod 8 b. The supporting rod 8b can swing back and forth and be locked relative to the base 4, so that the supporting range of the supporting rod 8b can be further expanded, and the practicability of the device is improved.
In this embodiment, as shown in fig. 2 and fig. 3, the support 8c is further provided with a strip-shaped hole penetrating through the main shaft 2 in the axial direction, the strip-shaped hole is located on one side of the sliding groove 8c1, the front end of the strip-shaped hole is a threaded hole, the rear end of the strip-shaped hole is communicated with the sliding groove 8c1, the locking piece 9 is a bolt screwed in the threaded hole, and the rod portion of the bolt extends to the rear end of the strip-shaped hole and presses the lower end of the supporting rod 8b against the inner wall of the sliding groove 8c 1. The lifting mechanism is a cylinder 10, and a piston rod of the cylinder 10 is fixedly connected with the support 8 c.
The using process is as follows: one end of the long workpiece is clamped on the chuck 2a of the main shaft 2, and one end of the long workpiece is positioned in the groove body and is pressed against the inner wall of the groove body; the translation mechanism drives the rear bracket 8 to a grinding position, and then the lifting mechanism works to enable the bracket 8b1 to gradually accommodate the long workpiece processing part and enable the long workpiece processing part to be pressed against the two bracket side walls 8b1 a; when the long workpiece is continuously pushed for grinding, the translation mechanism can drive the rear bracket 8 to move along, so that the rear bracket 8 is always supported at the grinding position, and the rigidity and the precision during machining are improved.
Example two
The second embodiment is basically the same as the first embodiment in structure and principle, and the difference lies in: the locking piece includes that the level is fixed the screw rod in spout 8c1 and two pressure caps on the screw rod of spiro union, has the through-hole that supplies the screw rod to pass on the die-pin 8b, and two pressure caps are located the 8b both sides of die-pin respectively, and two pressure caps all press on the 8b lateral wall of die-pin.
EXAMPLE III
The structure and principle of the third embodiment are basically the same as those of the first embodiment, and the differences are that: the lifting mechanism is a push rod motor 6, and a push rod of the push rod motor 6 is fixedly connected with the support 8 c.
Example four
The structure and principle of the fourth embodiment are basically the same as those of the first embodiment, and the difference lies in that: the translation mechanism comprises an oil cylinder, and a piston rod of the oil cylinder is fixedly connected with the base 4.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The workpiece supporting device of the grinding machine comprises a machine body (1), a spindle (2) which is rotatably arranged on the machine body (1) and provided with a chuck (2a) at the front end and a front bracket (3) arranged on the machine body (1), wherein the front bracket (3) is arranged on the front side of the chuck (2a), and a groove body used for supporting a workpiece is arranged on the front bracket (3), and the workpiece supporting device is characterized in that a base (4) and a translation mechanism capable of driving the base (4) to axially slide back and forth along the spindle (2) are also arranged on the machine body (1), the base (4) and the front bracket (3) are axially distributed along the spindle (2), and the front bracket (3) is positioned between the base (4) and the spindle (2); be equipped with rear bracket (8) on base (4) and be used for driving rear bracket (8) elevating system who reciprocates, have on rear bracket (8) the roof and be the strip and run through support groove (8b1) that set up along main shaft (2) axial, support groove (8b1) constitute by the both sides wall that sets up relatively and the diapire that is located between the both sides wall, two support groove lateral walls (8b1a) all are the strip and all are the slope setting, and two support the distance between groove lateral wall (8b1a) and diminish downwards gradually, support groove diapire (8b1b) are the crookedness in order to constitute the chip groove of transversal personally submitting U-shaped.
2. The workpiece supporting device for the grinding machine as claimed in claim 1, characterized in that the rear bracket (8) comprises a vertically arranged and strip-shaped supporting rod (8b) and a support (8c) used for being connected with the lifting mechanism, the supporting groove (8b1) is arranged on the supporting rod (8b), a sliding groove (8c1) which penetrates through the top wall of the support (8c) along the axial direction of the spindle (2) is formed in the top wall of the support (8c), the sliding groove (8c1) is matched with the supporting rod (8b), the lower end of the supporting rod (8b) is inserted into the sliding groove (8c1), the supporting rod (8b) can swing back and forth relative to the base (4), and a locking piece (9) used for locking the supporting rod (8b) is arranged on the support (8 c).
3. The grinding machine workpiece supporting device as claimed in claim 2, characterized in that the support (8c) is further provided with a strip-shaped hole which is arranged to penetrate through the spindle (2) in the axial direction and is located on one side of the sliding groove (8c1), the front end of the strip-shaped hole is a threaded hole, the rear end of the strip-shaped hole is communicated with the sliding groove (8c1), the locking piece (9) is a bolt which is screwed in the threaded hole, and the rod portion of the bolt extends to the rear end of the strip-shaped hole and presses the lower end of the supporting rod (8b) against the inner wall of the sliding groove (8c 1).
4. The workpiece supporting device of the grinding machine as claimed in claim 2, characterized in that the locking piece comprises a screw rod horizontally fixed in the sliding groove (8c1) and two pressing caps screwed on the screw rod, the supporting rod (8b) is provided with a through hole for the screw rod to pass through, the two pressing caps are respectively arranged at two sides of the supporting rod (8b), and the two pressing caps are tightly pressed on the side wall of the supporting rod (8 b).
5. A grinding machine workpiece support device as claimed in claim 2, characterised in that the lifting mechanism is a cylinder (10) and the piston rod of the cylinder (10) is fixedly connected with the support (8 c).
6. A grinding machine workpiece support device as claimed in claim 2, characterized in that the lifting mechanism is a push rod motor (6), and a push rod of the push rod motor (6) is fixedly connected with the support (8 c).
7. The workpiece supporting device of the grinding machine as claimed in claim 1, characterized in that the translation mechanism comprises a lead screw (5) horizontally fixed on the machine body (1), a motor (6) for driving the lead screw (5) to rotate and a nut (7) arranged on the lead screw (5), and the base (4) is fixed on the nut (7).
8. A grinding machine workpiece support device as claimed in claim 1, characterised in that the translation mechanism comprises an oil cylinder, and a piston rod of the oil cylinder is fixedly connected with the base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234231.8A CN112917385A (en) | 2019-12-05 | 2019-12-05 | Workpiece supporting device of grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234231.8A CN112917385A (en) | 2019-12-05 | 2019-12-05 | Workpiece supporting device of grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112917385A true CN112917385A (en) | 2021-06-08 |
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ID=76162332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911234231.8A Pending CN112917385A (en) | 2019-12-05 | 2019-12-05 | Workpiece supporting device of grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112917385A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690644A (en) * | 2015-03-19 | 2015-06-10 | 吴江市菀坪宝得利缝制设备机械厂 | Long workpiece support rack of grinding machine |
| CN105397615A (en) * | 2015-12-10 | 2016-03-16 | 李传聪 | Automatic hole lapping machine |
| CN105437075A (en) * | 2015-12-31 | 2016-03-30 | 台州北平机床有限公司 | Clamping assisting mechanism for tool grinder |
| CN105563274A (en) * | 2015-12-15 | 2016-05-11 | 苏州创丰精密五金有限公司 | Automatic processing device for long shaft products |
-
2019
- 2019-12-05 CN CN201911234231.8A patent/CN112917385A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690644A (en) * | 2015-03-19 | 2015-06-10 | 吴江市菀坪宝得利缝制设备机械厂 | Long workpiece support rack of grinding machine |
| CN105397615A (en) * | 2015-12-10 | 2016-03-16 | 李传聪 | Automatic hole lapping machine |
| CN105563274A (en) * | 2015-12-15 | 2016-05-11 | 苏州创丰精密五金有限公司 | Automatic processing device for long shaft products |
| CN105437075A (en) * | 2015-12-31 | 2016-03-30 | 台州北平机床有限公司 | Clamping assisting mechanism for tool grinder |
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Application publication date: 20210608 |