CN210147814U

CN210147814U - Grinding machine clamp

Info

Publication number: CN210147814U
Application number: CN201921070308.8U
Authority: CN
Inventors: 祖芳凝
Original assignee: Beijing Aviation Baichuan Science And Technology Development Center
Current assignee: Beijing Aviation Baichuan Science And Technology Development Center
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-03-17
Anticipated expiration: 2029-07-09

Abstract

The utility model provides a grinding machine clamp, which comprises an installation part, wherein the middle part of the installation part is provided with a workpiece fixing groove, two sides of the installation part are provided with sliding grooves, the sliding grooves are communicated with the workpiece fixing groove, a workpiece clamping device is arranged in the sliding grooves, the workpiece clamping device comprises an upper moving block and a lower moving block and a translation block, and the height of the upper moving block and the lower moving block is less than the depth of the sliding grooves; the top of the upper moving block and the bottom of the lower moving block are provided with baffle plates, the baffle plates are hinged with the top of the upper moving block and the bottom of the lower moving block, the upper moving block and the lower moving block are provided with first bolts, the maximum width of the upper moving block and the lower moving block is equal to the width of the sliding groove, and the upper moving block and the lower moving block are connected with the translation; an electromagnet adsorption disc is arranged at the bottom of the workpiece fixing groove; the utility model utilizes the electromagnet and the workpiece clamping device to realize the fixation of the workpiece at the same time, improves the safety, and can realize the clamping of partial non-ferromagnetic workpieces without changing clamps, thereby being very convenient; the utility model discloses take place danger in avoiding the course of working to simple structure, low in manufacturing cost.

Description

Grinding machine clamp

Technical Field

The utility model relates to a grinding machine technical field, concretely relates to grinding machine anchor clamps.

Background

A device for fixing a processing object by a clamp in a mechanical manufacturing process to enable the processing object to occupy a correct position to receive construction or detection, and a device for quickly, conveniently and safely installing a workpiece in any process in a process can be called a clamp in a broad sense; such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like; the grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool, can process materials with higher hardness, such as hardened steel, hard alloy and the like, and can also process brittle materials, such as glass and granite, can grind with high precision and small surface roughness, can also grind with high efficiency, such as strong grinding and the like, and when grinding is carried out, a workpiece to be processed needs to be fixed so as to avoid deviation in the processing process, so that a clamp needs to be used; therefore, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a grinding machine fixture, which is provided with a double fixture, and the workpiece is fixed by utilizing an electromagnet and a workpiece clamping device, so that the safety is improved, and the clamping of part of non-ferromagnetic workpieces can be realized, the fixture is not required to be replaced, and the grinding machine fixture is very convenient; the utility model discloses durable reliable, dangerous takes place in avoiding the course of working to simple structure, low in manufacturing cost.

The utility model provides a grinding machine fixture, which comprises an installation part, wherein a workpiece fixing groove is arranged in the middle of the installation part, sliding grooves are arranged on two sides of the installation part, the sliding grooves are communicated with the workpiece fixing groove, a workpiece clamping device is arranged in the sliding grooves, the workpiece clamping device comprises an upper moving block, a lower moving block and a translation block, and the height of the upper moving block and the lower moving block is less than the depth of the sliding grooves; the top of the upper moving block and the bottom of the lower moving block are provided with baffle plates, the baffle plates are hinged with the top of the upper moving block and the bottom of the lower moving block, the upper moving block and the lower moving block are provided with first bolts, the bottom of the sliding groove is provided with threaded grooves matched with the first bolts, the maximum width of the upper moving block and the lower moving block is equal to the width of the sliding groove, and the upper moving block and the lower moving block are connected with the translation block through second bolts; and an electromagnet adsorption disc is arranged at the bottom of the workpiece fixing groove.

The upper moving block and the lower moving block comprise first planes, the first planes are perpendicular to the second planes, a first included angle is formed between the second planes and the third planes, the first included angle is an obtuse angle, a second included angle is formed between the third planes and the fourth planes, the second included angle is an obtuse angle, the fourth planes are perpendicular to the fifth planes, the fifth planes are parallel to the first planes, the fifth planes are perpendicular to the sixth planes, the sixth planes are parallel to the fourth planes, first threaded holes matched with the translation blocks are formed in the fourth planes, threaded through holes are formed between the first planes and the fifth planes, and first bolts are arranged in the threaded through holes; the translation block comprises an eighth plane, the eighth plane is perpendicular to the ninth plane, the ninth plane is perpendicular to the tenth plane, the tenth plane is parallel to the eighth plane, the tenth plane is perpendicular to the eleventh plane, the eleventh plane is parallel to the ninth plane, a third included angle is formed between the eleventh plane and the twelfth plane, the third included angle is an obtuse angle, a fourth included angle is formed between the twelfth plane and the eighth plane, and the fourth included angle is an obtuse angle; a second threaded hole is formed in the ninth plane and matched with a first threaded hole formed in the fourth plane, and second bolts are arranged in the first threaded hole and the second threaded hole and used for realizing connection of the upper moving block, the lower moving block and the translation block; the sum of the second included angle and the third included angle is 360 degrees, and the sum of the first included angle and the fourth included angle is 270 degrees.

The third plane and the twelfth plane have the same area.

And the mounting part is provided with a mounting threaded hole.

And waste water grooves are arranged at the bottoms of the workpiece fixing grooves and on the two sides of the electromagnet adsorption disc and are connected with a water outlet pipeline.

Due to the adoption of the technical scheme, compared with the prior art, the utility model provides a grinding machine clamp, which is provided with a double clamp, and simultaneously realizes the fixation of a workpiece by utilizing an electromagnet and a workpiece clamping device, thereby improving the safety, simultaneously realizing the clamping of partial non-ferromagnetic workpieces, and being very convenient without replacing the clamp; the utility model discloses durable reliable, dangerous takes place in avoiding the course of working to simple structure, low in manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a plan view of the mounting portion of the present invention;

FIG. 3 is a schematic structural view of the workpiece clamping device of the present invention;

fig. 4 is a schematic structural view of the upper and lower moving blocks of the present invention;

fig. 5 is a schematic structural diagram of the translation block of the present invention;

reference numerals:

1. mounting part 2, mounting threaded hole 3, workpiece fixing groove 4 and sliding groove

5. Moving groove 6, upper and lower moving blocks 7, translation block 8, baffle 9 and hinge

10. First bolt 11, thread groove 12, second bolt 13, electro-magnet adsorb dish

14. A first plane 15, a second plane 16, a third plane 17, a first angle

18. A fourth plane 19, a second included angle 20, a fifth plane 21, a sixth plane

22. A first threaded hole 23, a threaded through hole 24, a first bolt 25, an eighth plane

26. Ninth plane 27, tenth plane 28, eleventh plane 29, twelfth plane

30. A third included angle 31, a fourth included angle 32, a second threaded hole 33, and a second bolt

34. A waste water tank 35 and an outlet pipeline.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be noted that the embodiments described herein are only for illustrating and explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1 to 5, the utility model provides a grinding machine fixture, which comprises a mounting part 1, wherein the mounting part 1 is preferably a rectangular mounting part; the mounting part 1 is used for being mounted on a grinding machine, and the mounting part 1 and the grinding machine are mounted in a specific mode; preferably, the mounting part 1 is provided with a mounting threaded hole 2, the grinding machine is also provided with a threaded hole corresponding to the mounting threaded hole, and the bolt penetrates through the mounting threaded hole 2 and the threaded hole to fix the mounting part 1 and the grinding machine; more preferably, the number of the mounting threaded holes 2 is four, and the number of the threaded holes is four, and similarly, the number of the bolts is also four.

A workpiece fixing groove 3 is formed in the middle of the mounting portion 1, the workpiece fixing groove 3 is preferably a rectangular groove, and a workpiece is placed in the workpiece fixing groove 3 and is fixed; the front side and the rear side of the workpiece fixing groove 3 are provided with sliding grooves 4 on the mounting part 1, the sliding grooves 4 are preferably rectangular grooves, the sliding grooves 4 are communicated with the workpiece fixing groove 3 through a moving groove 5, a workpiece clamping device is arranged in the sliding grooves 4, the workpiece clamping device can slide in the sliding grooves 4, and the clamping position is adjusted, so that the clamping device is very simple and convenient; preferably, two sliding grooves 4 are arranged on each side, and a workpiece clamping device is arranged in each sliding groove 4; the workpiece clamping device comprises an upper moving block 6, a lower moving block 6 and a translation block 7, wherein the height of the upper moving block 6 is smaller than the depth of the sliding groove, the upper moving block 6 and the lower moving block 6 are adjusted up and down in the sliding groove 4, and the translation block 7 moves towards the direction close to the workpiece or away from the workpiece in the moving groove 5, so that the workpiece is fixed; the top of the upper and lower moving blocks 6 is provided with a baffle 8, the baffle 8 is hinged with the top of the upper and lower moving blocks 6, preferably connected through a hinge 9, more preferably, the hinge 9 is provided with a 90-degree limiting device, and the 90-degree limiting device in the technology is adopted, the utility model does not improve the above structure, and therefore detailed description is omitted; the upper and lower moving blocks 6 can be in contact with the upper part of the mounting part 1 by unfolding the baffle 8, so that the position adjustment of the upper and lower moving blocks 6 in the sliding groove 4 is conveniently realized, the upper and lower moving blocks 6 are provided with first bolts 10, the bottom of the sliding groove 4 is provided with threaded grooves 11 matched with the first bolts 10, the maximum width of the upper and lower moving blocks 6 is equal to the width of the sliding groove 4, and the aim is that the upper and lower moving blocks 6 cannot move downwards under the condition that pressure is not applied to the upper and lower moving blocks 6, namely the width of the first plane 14 is equal to the width of the sliding groove 4; the upper and lower moving blocks 6 and the translation block 7 are connected through a second bolt 12; when the workpiece clamping device is used for clamping a workpiece, the position of the workpiece clamping device is adjusted firstly, so that the workpiece can be clamped well, then the baffle plate 8 is folded, the second bolt 12 between the upper and lower moving blocks 6 and the translation block 7 is unscrewed, the first bolt 10 on the upper and lower moving blocks 6 is screwed, the upper and lower moving blocks 6 start to move downwards under the action of force, and the translation block 7 is driven to move towards the direction of the workpiece, so that the workpiece is fixed; when the part is disassembled, the first bolt 10 is screwed upwards to enable the upper and lower moving blocks 6 to move upwards, then the translation block 7 is pushed back manually, the upper and lower moving blocks 6 and the translation block 7 are connected through the second bolt 12, and the connection between the upper and lower moving blocks 6 and the translation block 7 can be realized rapidly by marking the upper and lower moving blocks 6 and the translation block 7; the depth of the sliding groove 4 and the sizes of the upper and lower moving blocks 6 and the translation block 7 determine the stroke of the workpiece clamping device, and technicians can perform specific setting according to specific conditions, and the utility model does not have specific limitation; the bottom of the workpiece fixing groove 3 is provided with an electromagnet adsorption disc 13, and the electromagnet adsorption disc 13 is only required to adopt the electromagnet adsorption disc 13 in the prior art, the utility model does not limit the specific model and size, and does not improve the same, so that specific description is omitted; the connection between the electromagnet attraction disc 13 and the mounting portion 1 may be a threaded connection, or may be another connection method in the prior art, which is selected according to specific situations, and is not limited specifically here.

Specifically, the upper and lower moving blocks 6 include a first plane 14, the first plane 14 is parallel to the top surface of the mounting portion 1, the first plane 14 is perpendicular to a second plane 15, a first included angle 17 is formed between the second plane 15 and a third plane 16, the first included angle 17 is an obtuse angle, a second included angle 19 is formed between the third plane 16 and a fourth plane 18, the second included angle 19 is an obtuse angle, the fourth plane 18 is perpendicular to a fifth plane 20, the fifth plane 20 is parallel to the first plane 14, the fifth plane 20 is perpendicular to a sixth plane 21, the sixth plane 21 is parallel to the fourth plane 18, a first threaded hole 22 matched with the translation block 7 is formed in the fourth plane 18, a threaded through hole 23 is formed between the first plane 14 and the fifth plane 20, and a first bolt 24 is arranged in the threaded through hole 23; the translation block 7 comprises an eighth plane 25, the eighth plane 25 is perpendicular to a ninth plane 26, the ninth plane 26 is perpendicular to a tenth plane 27, the tenth plane 27 is parallel to the eighth plane 25, the tenth plane 27 is perpendicular to an eleventh plane 28, the eleventh plane 28 is parallel to the ninth plane 26, a third included angle 30 is formed between the eleventh plane 28 and a twelfth plane 29, the third included angle is an obtuse angle 30, a fourth included angle 31 is formed between the twelfth plane 29 and the eighth plane 25, and the fourth included angle 31 is an obtuse angle; a second threaded hole 32 is formed in the ninth plane 26, the second threaded hole 32 is communicated with the eleventh plane 28 and is matched with the first threaded hole 22 formed in the fourth plane 18, and second bolts 33 are arranged in the first threaded hole 22 and the second threaded hole 32 and are used for realizing connection between the up-down moving block and the translation block; the sum of the second included angle and the third included angle is 360 degrees, and the sum of the first included angle and the fourth included angle is 270 degrees; when the device is not in operation, the third plane 16 of the upper and lower moving blocks 6 is contacted with the twelfth plane 29 of the translation block 7, the fourth plane 18 of the upper and lower moving blocks 6 is contacted with the eleventh plane 28 of the translation block 7, and the upper and lower moving blocks 6 and the translation block 7 are connected together through the second bolt 33, so that the position can be adjusted in the sliding groove 4; when the device is used, the second bolt 33 between the upper and lower moving blocks 6 and the translation block 7 is disassembled, the first bolt 24 on the upper and lower moving blocks 6 is screwed, so that the upper and lower moving blocks 6 start to move downwards, an acting force is generated on the translation block 7, the translation block 7 moves towards the direction of a workpiece, and the workpiece is actually fixed.

Preferably, the third plane 16 and the twelfth plane 29 have the same area.

As a preferable scheme, waste water grooves 34 are arranged at the bottom of the workpiece fixing groove 3 on two sides of the electromagnet adsorption disc 13, the waste water grooves 34 are connected with water outlet pipelines 35, and each waste water groove 34 is respectively connected with one water outlet pipeline 35; when a workpiece is processed, cooling liquid may be required to cool the workpiece, and a waste water tank 34 is provided for storing the used cooling liquid and then flowing out through a water outlet pipe 35; the outlet conduit can connect waste water collection device also can connect coolant liquid circulating device, and the technical staff selects according to particular case, the utility model discloses do not do specific injecing.

The utility model discloses a theory of operation: when a large magnetic workpiece is machined, the workpiece is adjusted to a proper position, the electromagnet adsorption disc 13 is opened to fix the workpiece, then the second bolt 33 between the upper moving block 6 and the lower moving block 7 is disassembled, and the first screw 24 on the upper moving block 6 and the lower moving block 6 are screwed to enable the upper moving block 6 and the lower moving block 6 to start to move downwards, so that an acting force is generated on the translation block 7, the translation block 7 moves towards the workpiece, and the workpiece is further fixed, the dual-fixing mode of the utility model can not influence the continuous machining of the workpiece when the electromagnet adsorption disc 13 has a problem, improves the working efficiency, and avoids the problem that the workpiece falls off to hurt workers because the electromagnet adsorption disc 13 has a problem; when a magnetic small workpiece is processed, the small workpiece can be fixed only by the electromagnet adsorption disc 13, the small workpiece cannot be separated from the workpiece to hurt workers, and a double-fixing mode matched with a workpiece clamping device can be adopted, so that the problem that the electromagnet adsorption disc 13 is in a problem and cannot be processed continuously is avoided; when a non-magnetic workpiece is processed, a workpiece clamping device is directly adopted for clamping; it is worth noting, the utility model provides an anchor clamps are not applicable to any work piece, need select according to the size of work piece, the utility model discloses the main technical problem that solve utilizes electro-magnet and work piece clamping device to realize simultaneously fixed to the work piece, has improved the security, also can realize the clamping of part non-ferromagnetic work piece.

The preferred mode of the present invention has been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention, and can be right to the technical solution of the present invention, and these simple variants all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and various possible combinations of the embodiments are not described in detail in order to avoid unnecessary repetition.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. A grinding machine clamp comprises an installation part, and is characterized in that a workpiece fixing groove is formed in the middle of the installation part, sliding grooves are formed in two sides of the installation part, the sliding grooves are communicated with the workpiece fixing groove, a workpiece clamping device is arranged in each sliding groove and comprises an upper moving block, a lower moving block and a translation block, and the height of each upper moving block is smaller than the depth of each sliding groove; the top of the upper moving block and the bottom of the lower moving block are provided with baffle plates, the baffle plates are hinged with the top of the upper moving block and the bottom of the lower moving block, the upper moving block and the lower moving block are provided with first bolts, the bottom of the sliding groove is provided with threaded grooves matched with the first bolts, the maximum width of the upper moving block and the lower moving block is equal to the width of the sliding groove, and the upper moving block and the lower moving block are connected with the translation block through second bolts; and an electromagnet adsorption disc is arranged at the bottom of the workpiece fixing groove.

2. The grinder fixture of claim 1, wherein the upper and lower moving blocks include a first plane, the first plane is perpendicular to a second plane, a first included angle is formed between the second plane and a third plane, the first included angle is an obtuse angle, a second included angle is formed between the third plane and a fourth plane, the second included angle is an obtuse angle, the fourth plane is perpendicular to a fifth plane, the fifth plane is parallel to the first plane, the fifth plane is perpendicular to a sixth plane, the sixth plane is parallel to the fourth plane, a first threaded hole matched with the translation block is formed in the fourth plane, a threaded through hole is formed between the first plane and the fifth plane, and a first bolt is arranged in the threaded through hole; the translation block comprises an eighth plane, the eighth plane is perpendicular to the ninth plane, the ninth plane is perpendicular to the tenth plane, the tenth plane is parallel to the eighth plane, the tenth plane is perpendicular to the eleventh plane, the eleventh plane is parallel to the ninth plane, a third included angle is formed between the eleventh plane and the twelfth plane, the third included angle is an obtuse angle, a fourth included angle is formed between the twelfth plane and the eighth plane, and the fourth included angle is an obtuse angle; a second threaded hole is formed in the ninth plane and matched with a first threaded hole formed in the fourth plane, and second bolts are arranged in the first threaded hole and the second threaded hole and used for realizing connection of the upper moving block, the lower moving block and the translation block; the sum of the second included angle and the third included angle is 360 degrees, and the sum of the first included angle and the fourth included angle is 270 degrees.

3. A machine jig as claimed in claim 2 wherein the third and twelfth flat surfaces are of the same area.

4. A grinding machine jig according to claim 3 wherein the mounting portion has a threaded mounting hole formed therein.

5. A machine jig according to any one of claims 1 to 4 wherein waste water grooves are provided in the bottom of the work holding groove on either side of the electromagnet adsorption plate, the waste water grooves being connected to a water outlet pipe.