CN110744446B - Double-layer clamp for grinding machine - Google Patents
Double-layer clamp for grinding machine Download PDFInfo
- Publication number
- CN110744446B CN110744446B CN201910826503.7A CN201910826503A CN110744446B CN 110744446 B CN110744446 B CN 110744446B CN 201910826503 A CN201910826503 A CN 201910826503A CN 110744446 B CN110744446 B CN 110744446B
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- plate
- double
- back plate
- seat
- base
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000003825 pressing Methods 0.000 claims description 28
- 238000003754 machining Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
本发明涉及一种磨床用双层夹具，属于机械加工设备技术领域。本发明解决了现有磨床在加工板材四边时存在的加工不便，需要行车重新吊装装夹、费时费力的问题。本发明包括背板、磨床工作台，还包括设在背板上的双层夹具基座，所述双层夹具基座与所述背板之间通过主轴旋转连接，所述主轴穿过所述背板并通过主轴固定组件压紧在所述的背板上，所述双层夹具基座四边上均设有装夹机构，所述双层夹具基座后部设有与背板相固定的基座固定机构，所述磨床工作台上设有用于辅助加工板的垂直的垫块；所述基座固定机构设有四个，对称设在背板和双层夹具基座之间。
The present invention relates to a double-layer clamp for a grinder, and belongs to the technical field of mechanical processing equipment. The present invention solves the problem that the existing grinder is inconvenient when processing the four sides of the plate, and needs to use a crane to re-lift and clamp, which is time-consuming and labor-intensive. The present invention includes a back plate, a grinder workbench, and also includes a double-layer clamp base arranged on the back plate, the double-layer clamp base and the back plate are rotatably connected through a spindle, the spindle passes through the back plate and is pressed on the back plate through a spindle fixing assembly, clamping mechanisms are provided on the four sides of the double-layer clamp base, a base fixing mechanism fixed to the back plate is provided at the rear of the double-layer clamp base, and a vertical pad for assisting in processing the plate is provided on the grinder workbench; four base fixing mechanisms are provided, symmetrically arranged between the back plate and the double-layer clamp base.
Description
Technical Field
The invention relates to a double-layer clamp for a grinding machine, and belongs to the technical field of machining equipment.
Background
The grinding machine is a machine tool for grinding a surface of a workpiece using a grinding tool. Most grinding machines use a grinding wheel rotating at a high speed for grinding, and the grinding machine is clamped on a grinding machine back plate by a clamping device before machining.
At present, when the plate is processed through the grinding machine, the plate needs to be fixed on the back plate of the grinding machine through the clamping device, after the upper edge is processed, the clamping device is disassembled, the plate is lifted through the travelling crane and manually rotated, the plate is clamped on the back plate again, the other edge is processed, the circulation is performed, four sides are processed, the operation is complex, the manual cooperation travelling crane is low in rotation speed, the processing efficiency is low, and potential safety hazards exist when an operator operates.
Disclosure of Invention
The invention aims to overcome the defects of the existing grinding machine for processing the plate, and provides a double-layer clamp for the grinding machine, wherein the plate to be processed is clamped through a double-layer clamp base and a clamping mechanism arranged on the double-layer clamp base, the double-layer clamp base can rotate through a main shaft and a back plate, an operator is matched with the double-layer clamp base to finish the rotation of the plate under the condition that the clamping mechanism is not dismounted, and a cushion block at the bottom is matched with the double-layer clamp base to ensure the perpendicularity of the plate during processing, so that the peripheral processing effect of the plate is better, the processing efficiency is higher, the clamping direction is not required to be changed by crane lifting, and the double-layer clamp is time-saving and labor-saving.
The invention is realized by adopting the following technical scheme:
The double-layer clamp for the grinding machine comprises a back plate, a grinding machine workbench, and further comprises a double-layer clamp base arranged on the back plate, wherein the double-layer clamp base is in rotary connection with the back plate through a main shaft, the main shaft penetrates through the back plate and is tightly pressed on the back plate through a main shaft fixing assembly, clamping mechanisms are arranged on four sides of the double-layer clamp base, a base fixing mechanism fixed with the back plate is arranged at the rear part of the double-layer clamp base, and a cushion block for assisting in machining the parallelism of the plate is arranged on the grinding machine workbench;
the base fixing mechanisms are four, and the circumferential array is arranged between the back plate and the double-layer clamp base. The bottom cushion blocks need to be processed simultaneously, so that the height consistency of the cushion blocks after being processed is ensured, and the parallelism of the top surfaces is the same. The main shaft can be processed by adopting a circular tube, so that the roundness and the straightness are ensured after the processing is easier.
Preferably, the double-layer clamp base comprises a front plate, and the rear part of the front plate is fixedly connected with the rear plate through a plurality of groups of connecting plates which are uniformly arranged. The back plate is provided with three circles of annular grooves which are adapted to the annular grooves of the back plate, so that friction force can be increased.
Preferably, the clamping mechanism comprises a movable clamp holder, the movable clamp holder is in sliding connection with the rear plate through a guide rail fixed on the rear plate, a screw is penetrated in the middle of the movable clamp holder and is in threaded connection with the movable clamp holder, the screw is in threaded connection with a screw rear fixing seat fixed on the rear plate, one end of the movable clamp holder is provided with a groove, a detachable clamp head is arranged in the groove, the detachable clamp head is fixed on the movable clamp holder through a connecting rod, the detachable clamp head penetrates into the front side of the front plate, a connecting seat is arranged at the front part of the detachable clamp head, a compression jackscrew is arranged at the front side of the connecting seat, and a compression backing plate is arranged at the rear side of the connecting seat. The detachable clamp is provided with a positioning table which can penetrate into the movable clamp seat to play a role in positioning. The screw rod can drive the movable clamp head seat to advance or retreat along the guide rail, so that the detachable clamp head is driven to adapt to the requirements of different processed plates, the plates are clamped, the side edge of the movable clamp head seat is provided with a dimension line, the same clamping amount at two sides is convenient to adjust, and the processed plates can be placed more reasonably.
Preferably, diamond stripes are arranged on the back surface of the pressing backing plate. The diamond-shaped stripes increase the friction force of the pressing pad. The pressing base plate is eccentrically arranged, a positioning groove which is matched with the pressing jackscrew is formed in the pressing base plate, the pressing base plate crank can be rotated, the pressing base plate is pressed on a processed plate, the plate is fixed, and the pressing jackscrew is just pressed in the positioning groove.
Preferably, one side of the double-layer fixture base is provided with a 90-degree square, the 90-degree square comprises a right-angle clamping groove which is matched with the top end of the screw rod and the top end of the connecting rod, one side of the 90-degree square is provided with a connecting groove plate, the connecting groove plate is provided with a strip-shaped clamping groove, a supporting plate is arranged in the strip-shaped clamping groove, and the bottom of the supporting plate is arranged on the square base.
Preferably, the base fixing mechanism comprises a connecting bolt, the rear end of the connecting bolt is provided with a rocking handle, the connecting bolt penetrates through the back plate and is matched with a threaded hole in the middle of the fixed disc seat, the fixed disc seat is arranged on the front side of the back plate and is fixed on the back plate through the bolt, a gasket is arranged between the fixed disc seat and the back plate, and the front side of the fixed disc seat is provided with the handle.
Preferably, the main shaft fixing assembly comprises a fixing plate fixedly connected with the rear end of the main shaft, and fixing bolt and nut assemblies are symmetrically arranged on the fixing plate.
Preferably, the base fixing mechanism comprises connecting bolts, the connecting bolts penetrate through the back plate and are matched with threaded holes in the back plate, a plurality of groups of connecting pins are arranged around the connecting bolts, and the connecting pins are uniformly arranged.
Preferably, the cushion block is of a trapezoid structure, a lightening hole is formed in the middle of the cushion block, a triangular groove is formed in the bottom surface of the cushion block, and a multistage step top surface is arranged at the top of the cushion block.
Preferably, a plurality of groups of dustproof grooves are formed in the periphery of the front plate. And a dust cover is further arranged on the dust groove, and covers the front plate and the rear plate, so that waste scraps and cooling liquid are prevented from entering, and the machining precision is ensured.
Preferably, the base fixing mechanism comprises connecting bolts, the connecting bolts penetrate through the back plate and are matched with threaded holes in the back plate, a plurality of groups of connecting pins are arranged around the connecting bolts, and the connecting pins are uniformly arranged.
The place of threading the screw all is equipped with guide tube and V-arrangement mouth, when guaranteeing to connect, the part of screw both sides can better laminating. Bearing bushes are arranged between the back plate and the main shaft, and a plurality of groups of through holes with inner threads are formed in the upper surface and the lower surface of the bearing bushes, so that concentricity during rotation can be conveniently adjusted.
The beneficial effects of the invention are as follows:
(1) The double-layer clamp for the grinding machine is provided with the double-layer clamp base, the double-layer clamp base is rotatably connected with the back plate and fixed through the base fixing mechanism penetrating through the back plate, so that each side edge of a plate can be better processed after being clamped on the double-layer clamp base, rotation can be realized only by opening the base fixing mechanism, clamping by a travelling crane is not needed, the workload is reduced, and the working efficiency is improved;
(2) The double-layer clamp for the grinding machine is provided with the clamping mechanisms, the plates can be clamped by the clamping mechanisms, the plates are pressed and fixed on the front plate by the clamping mechanisms arranged on four sides, and when the top edge of the plates is processed, the upper clamping mechanism can be detached, so that the processing is convenient, and the four sides can be processed;
(3) According to the double-layer fixture for the grinding machine, the cushion blocks are arranged at the bottoms of the double-layer fixture, so that the verticality of the clamped plates can be guaranteed by matching the cushion blocks with the front plate, and the four-side parallelism of the plates during processing is guaranteed.
(4) According to the double-layer clamp for the grinding machine, the movable clamp seat of the clamping mechanism can penetrate into the space between the front plate and the rear plate through the rotation of the screw rod, and the movable clamp seat is matched with the guide rail to enter and exit stably, so that the dismounting can be ensured when the top edge is processed, the processing is safe and reliable, the cushion block on the bottom surface needs to be extracted, the movable clamp seat can be rotated through the screw rod to lift the plate, the extraction of the cushion block is facilitated, and the rotation of the main shaft is ensured.
(5) According to the double-layer fixture for the grinding machine, the 90-degree square is arranged on one side, and the vertical of the clamping mechanism can be ensured through the 90-degree square, so that the vertical of a plate is ensured, and the machining precision is improved.
(6) According to the double-layer clamp for the grinding machine, the dustproof groove is formed in the front plate, so that impurities such as scraps and cooling liquid generated in the machining process can be drained, and the impurities can be prevented from entering between the front plate and a machined plate, and the machining precision is prevented from being affected.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIGS. 1 A-A;
FIG. 4 is a front view of the stationary platen;
FIG. 5 is a front view of the compression pad;
FIG. 6 is a side view of a compression pad;
FIG. 7 is an enlarged view of part of A of FIG. 1;
FIG. 8 is a side view of a shim plate;
FIG. 9 is a front view of the back plate;
FIG. 10 is a side view of the second embodiment;
FIG. 11 is an enlarged view of part B of FIG. 1;
FIG. 12 is a front view of the movable jaw mount and removable jaw in combination;
the device comprises a front plate, a 1-1 dustproof slot, a 2-rear plate, a 3-clamping mechanism, a 3-1 movable clamping seat, a 3-2 detachable clamping seat, a 3-3 connecting seat, a 3-4 pressing jackscrew, a 3-5 pressing backing plate, a 3-6 screw, a 3-7 screw rear fixing seat, a 3-8 connecting rod, a 3-9 guide rail, a 4-90-degree square, a 4-1 right-angle clamping slot, a 4-2 connecting slot plate, a 4-3 supporting plate, a 4-4 straight ruler base, a 5, a cushion block, a 6, a spindle, a 7-base fixing mechanism, a 7-1 rocking handle, a 7-2 fixing disc seat, a 7-3 gasket, a 7-4 connecting bolt, a 7-5 connecting pin, a 8-spindle fixing assembly, a 8-1 fixing plate, a 8-2 fixing bolt assembly, a 9, a back plate, a 10, a grinding machine workbench, a 11 and a connecting plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-9, 11 and 12, the double-layer fixture for the grinding machine comprises a back plate 9, a grinding machine workbench 10 and four double-layer fixture bases arranged on the back plate 9, wherein the double-layer fixture bases are rotatably connected with the back plate 9 through a main shaft 6, the main shaft 6 penetrates through the back plate 9 and is tightly pressed on the back plate 9 through a main shaft fixing assembly 8, clamping mechanisms 3 are arranged on four sides of the double-layer fixture bases, base fixing mechanisms 7 fixed with the back plate 9 are arranged at the rear of the double-layer fixture bases, cushion blocks 5 used for assisting in machining of parallelism of plates are arranged on the grinding machine workbench 10, and the four base fixing mechanisms 7 are circumferentially arranged between the back plate 9 and the double-layer fixture bases. The double-layer clamp base comprises a front plate 1, and the rear part of the front plate 1 is fixedly connected with a rear plate 2 through a plurality of groups of connecting plates 11 which are uniformly arranged. The clamping mechanism 3 comprises a movable clamp head seat 3-1, the movable clamp head seat 3-1 is in sliding connection with the rear plate 2 through a guide rail 3-9 fixed on the rear plate 2, a lead screw 3-6 penetrates through the middle of the movable clamp head seat 3-1, the lead screw 3-6 is in threaded connection with a lead screw rear fixing seat 3-7 fixed on the rear plate 2, a groove is formed in one end of the movable clamp head seat 3-1, a detachable clamp head 3-2 is arranged in the groove, the detachable clamp head 3-2 is fixed on the movable clamp head seat 3-1 through a connecting rod 3-8, the detachable clamp head 3-2 penetrates into the front side of the front plate 1, a connecting seat 3-3 is arranged at the front side of the connecting seat 3-3, a pressing jackscrew 3-4 is arranged at the rear side of the connecting seat 3-3, and a pressing pad 3-5 is arranged at the rear side of the connecting seat 3-3. The back surface of the pressing backing plate 3-5 is provided with diamond stripes. The double-layer fixture is characterized in that one side of the double-layer fixture base is provided with a 90-degree square 4, the 90-degree square 4 comprises a right-angle clamping groove 4-1 which is matched with the top end of a screw rod 3-6 and the top end of a connecting rod 3-8, one side of the 90-degree square 4 is provided with a connecting groove plate 4-2, the connecting groove plate 4-2 is provided with a strip-shaped clamping groove, a supporting plate 4-3 is arranged in the strip-shaped clamping groove, and the bottom of the supporting plate 4-3 is arranged on a square base 4-4. The base fixing mechanism 7 comprises a connecting bolt 7-4, a rocking handle 7-1 is arranged at the rear end of the connecting bolt 7-4, the connecting bolt 7-4 penetrates through the back plate 9 and the back plate 2 and is matched with a threaded hole in the middle of the fixing disc seat 7-2, the fixing disc seat 7-2 is arranged on the front side of the back plate 2 and is fixed on the back plate 2 through a bolt, a gasket 7-3 is arranged between the fixing disc seat 7-2 and the back plate 2, and a handle is arranged on the front side of the fixing disc seat 7-2. The main shaft fixing assembly 8 comprises a fixing plate 8-1 fixedly connected with the rear end of the main shaft 6, and fixing bolt and nut assemblies 8-2 symmetrically arranged on the fixing plate 8-1. The cushion block 5 is of a trapezoid structure, a lightening hole is formed in the middle of the cushion block, a triangular groove is formed in the bottom surface of the cushion block, and a multistage step top surface is arranged at the top of the cushion block 5. A plurality of groups of dustproof grooves 1-1 are arranged around the front plate 1.
As shown in fig. 12, the rear end of the detachable chuck 3-2 is provided with an outer chamfer for easy insertion on the movable chuck base 3-1.
The pressing backing plate 3-5 is eccentrically arranged, a positioning groove which is matched with the pressing jackscrew 3-4 is formed in the pressing backing plate, a crank of the pressing backing plate 3-5 can be rotated, the pressing backing plate 3-5 is pressed on a processed plate, and the plate is fixed.
The use process of the invention is as follows:
The size of the plate to be processed is larger than that of a double-layer clamp for a grinding machine, when the double-layer clamp is used, the plate to be processed is hoisted on the front plate 1 through a crane, a cushion block 5 is padded at the bottom, the parallelism of the plate is ensured, the plate is clamped on the front plate 1 through a clamping mechanism 3, the double-layer clamp base is fixed through a base fixing mechanism 7, the front plate 1 is ensured to be fixed, the plate is enabled to be vertical through the front plate 1 and the cushion block 5, after the top edge is processed, a top grinding head is removed, the clamping mechanism 3 at the top edge is clamped, when the clamping mechanism is clamped, a movable clamping head seat 3-1 is screwed out through a screw rod 3-6, a detachable clamping head 3-2 is inserted into a groove of the movable clamping head seat 3-1 and is fixed through a connecting rod 3-8, the plate is pressed on the front plate 1 through a pressing base plate 3-5 and a pressing jackscrew 3-4 fixed on the connecting seat 3-3, opening a base fixing mechanism 7, unscrewing a fixing bolt and nut assembly 8-2, rotating a double-layer clamp base, matching a cushion block 5 to rotate a plate by 180 degrees, ensuring that the opposite side of the plate rotates to the uppermost surface, arranging the cushion block 5 below a machined plane, ensuring the parallelism of the plate and the machined surface, then disassembling a detachable chuck 3-2 at the top edge, fixing the double-layer clamp base by the base fixing mechanism 7, screwing the fixing bolt and nut assembly 8-2 at the rear side of a main shaft 6 to fix the fixing bolt and nut assembly, machining the opposite side, rotating the plate by 90 degrees after machining is finished, tightly attaching the clamping mechanism 3 to the right-angle edge of a 90-degree square 4 at one side of the equipment, and ensuring the perpendicularity of the machined surface and the machined finished surface, and rotating by 180 degrees after machining the surface.
Example two
As shown in fig. 10, the base fixing mechanism 7 includes a connecting bolt 7-4, the connecting bolt 7-4 penetrates through the back plate 9 and is matched with a threaded hole on the back plate 2, and a group of connecting pins 7-5 are arranged around the connecting bolt 7-4. The connecting hole terminal surface that main shaft 6 runs through all is equipped with the V-arrangement mouth, and a set of connecting pin 7-5 corresponds the four holes of A, B, C, D on backplate 9 upper and lower left and right sides four directions, and backplate 9 standing edge all is equipped with the sign, and during the rotation processing, can put the hole that reaches the position with this connecting pin 7-5 and fix a position, easy operation is convenient, reduces intensity of labour, and main shaft 6 can adopt the pipe processing, guarantees the machining precision of machined part more easily in the processing, and the rest is the same as embodiment one.
The invention is mainly applied to the place where the plate is clamped in the grinding machine processing.
Of course, the foregoing is merely preferred embodiments of the present invention and is not to be construed as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and those skilled in the art will appreciate that the present invention is capable of equally varying and improving within the spirit and scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826503.7A CN110744446B (en) | 2019-08-30 | 2019-08-30 | Double-layer clamp for grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826503.7A CN110744446B (en) | 2019-08-30 | 2019-08-30 | Double-layer clamp for grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110744446A CN110744446A (en) | 2020-02-04 |
| CN110744446B true CN110744446B (en) | 2024-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910826503.7A Active CN110744446B (en) | 2019-08-30 | 2019-08-30 | Double-layer clamp for grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110744446B (en) |
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| CN211029582U (en) * | 2019-08-30 | 2020-07-17 | 张龙宜 | Double-layer clamp for grinding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110744446A (en) | 2020-02-04 |
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