CN210849850U

CN210849850U - Blade sandblast passivation anchor clamps

Info

Publication number: CN210849850U
Application number: CN201920568346.XU
Authority: CN
Inventors: 江湘颜; 李勋
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-06-26
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a blade sandblast passivation anchor clamps, including clamping dish, backing plate, material pole, sword iron and hasp, be provided with on the clamping dish supply the backing plate place the layer board strip and with the mounting hole of material pole, sword iron and hasp assembly, in the clamping dish was located to the backing plate, support through the layer board strip of clamping dish, the hollow out construction of backing plate for having the sand discharge hole is equipped with the mattress strip that the multiseriate is used for the blade location, the height that highly is less than the blade of blade location strip, the material pole is a slender pole, and through the cooperation of material pole mounting hole in the clamping dish and clamping dish, treat sandblast passivation blade cluster in the material pole, it is tight through sword iron and hasp clamp between clamping dish, backing plate, the material pole three. The utility model discloses a reasonable structural design, especially the blade location strip and the sand discharge hole structural design of backing plate can optimize the stability and the homogeneity of sandblast passivation back blade to anchor clamps simple structure, manufacturing cost is lower.

Description

Blade sandblast passivation anchor clamps

Technical Field

The utility model relates to a carbide blade sandblast passivation technology, more specifically relates to a blade sandblast purification anchor clamps.

Background

In the production process of the hard alloy blade, the sand blasting passivation process is an important process, the sand blasting passivation is carried out on the cutting edge of the hard alloy blade, so that some microscopic defects existing in the cutting edge of the blade can be removed, and the phenomenon that the cutting edge is not easy to break during cutting processing is ensured.

In the sand blasting passivation process of the hard alloy blade, the sand blasting passivation fixture is used as a key device for placing the blade into a passivation machine, and the structural reasonability of the sand blasting passivation fixture directly influences the uniformity and stability of the blade edge after sand blasting passivation. At present, the sand blasting passivation fixture of the hard alloy blade with the hole is simple in structure, sand blasting passivation mortar acts on the blade in the sand blasting passivation process of the blade, kinetic energy of the mortar enables the blade to rotate irregularly, and the passivation value of the blade edge is unstable, so that the quality of the blade is affected.

Therefore, the reasonable design of the structure of the sandblasting passivation clamp is particularly important, particularly for the perforated blade, because the center of gravity is unstable and easy to topple over, in the prior art, a mounting hole with a shape similar to that of the complicated blade is usually designed on the clamp, so that the blade is laid in the mounting hole for positioning, and the design of the mold of the clamp consumes time and labor and is high in cost.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a location reliable, simple structure's sandblast passivation anchor clamps for the carbide blade of foraminiferous type, realize the stability and the homogeneity of sandblast passivation back blade.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a blade sandblasting passivation clamp is characterized by comprising a clamping plate, a base plate, a material rod and a clamping assembly; the backing plate is arranged in the clamping plate and is provided with a plurality of rows of sand discharge holes and a backing plate strip for positioning the blade, and the height of the backing plate strip is lower than that of the blade; the material rod is a slender rod and is fixed through a material rod mounting hole and a material rod mounting groove in the clamping plate; the blade to be subjected to sand blasting passivation is strung in the material rod; the clamping plate, the backing plate and the material rod are clamped through a clamping assembly.

Preferably, the width L1 of the sand discharge hole ranges from 4mm to L1 to 8 mm.

Preferably, the length clamping part of the blade is L2 ', the interval of each row of backing strip is L2, and then the length of the blade is more than or equal to 0.1mm and less than or equal to L2-L2' and less than or equal to 0.5 mm.

Preferably, the width clamping part of the blade is H1 ', the height of each row of backing strip is H1, and then H1= (1/3-3/4) H1'.

Preferably, the diameter of the material rod is that the diameter of the central hole of the blade is D1 ', and then 0.4D1 ' is more than or equal to D1 and less than or equal to 0.8D1 '.

Further, the material rod mounting hole and the material rod mounting groove are respectively arranged on the supports on two sides of the clamping disc.

Furthermore, rubber gaskets are strung on the material rod and are distributed with the purification blades to be subjected to sand blasting at intervals.

Further, the clamping assembly comprises a locking bar, a lock catch and a fastening screw; a fastening screw hole matched with the fastening screw and a locking bar mounting hole matched with the locking bar are correspondingly arranged in the clamping plate; the lock catch is fixed through a fastening screw and locks the lock bar.

Compared with the prior art, the utility model has the advantages of:

(1) the utility model provides a blade sandblast passivation anchor clamps is equipped with horizontal material pole in the clamping dish, can carry out preliminary location to the foraminiferous carbide blade of cluster income, and the structural design of backing plate and backing plate strip is reasonable simultaneously, and the straight line portion of blade width is laminated with the backing plate, leaves little clearance between blade both sides face and the backing plate strip, guarantees that the blade sand grain can pass through and the blade does not roll when the sandblast passivates; meanwhile, due to the arrangement of the material rod, the blades are more convenient and stable to mount and dismount, the damage to the tool face caused by collision during taking and placing is reduced, and the two blades are isolated by the rubber gasket to ensure that the blades are not damaged during sand blasting passivation; in addition, due to the hollow structure of the base plate, sand blasting passivation sand grains are guaranteed to be in a flowing state all the time (sand grains can flow out conveniently during sand blasting passivation), sand grains cannot be accumulated, and therefore the sand blasting passivation clamp can guarantee the uniformity and stability of the blade edge.

(2) The utility model provides a blade sandblast passivation anchor clamps simple structure only needs design and blade centre bore complex material pole to according to blade length clamping position, width clamping position, design out corresponding filler strip's specification and arrange the interval and can realize reliable location, need not to set up the mounting hole close with the blade shape on the dress (holding) chuck, practiced thrift die design and made required cost.

(3) The utility model provides a blade sandblast passivation anchor clamps fixes the material pole in the clamping dish through the locking bar, and on the hasp emboliaed fastening screw, through the dismantlement of the realization locking bar that rotatory hasp can be convenient.

Drawings

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

FIG. 2 is a schematic view of the structure of the center chuck of the present invention;

fig. 3 is a schematic structural diagram (top view) of the middle support plate of the present invention;

fig. 4 is a schematic structural view (front view) of the middle support plate of the present invention;

FIG. 5 is a front view (looking down) of the structure of the blade of the present invention;

fig. 6 is a partial enlarged view of fig. 1 in the present invention;

FIG. 7 is a schematic structural view of the material rod of the present invention;

fig. 8 is a schematic structural view of the lock bar of the present invention.

The reference numerals in the figures denote:

1. a clamping disc is arranged; 11. a batten support; 12. a material rod mounting hole; 13. a material rod mounting groove; 2. A base plate; 21. a sand discharge hole; 22. a bottom surface of the base plate; 23. a furring strip; 24. the side surface of the base plate; 3. A material rod; 4. a clamping assembly; 41. a locking bar; 42. locking; 43. fastening screws; 44. a set screw hole; 45. a locking bar mounting hole; 5. a blade; 51. the length clamping part of the blade; 52. clamping the blade width; 53. a blade center hole; 6. a rubber gasket.

Detailed Description

The present invention will be further explained with reference to the drawings and examples. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Fig. 1 to 8 show, the blade sandblast passivation fixture of this embodiment, including the dress chuck 1, backing plate 2, material pole 3 and clamping unit 4, be provided with on the dress chuck 1 and supply the layer board strip 11 that backing plate 2 placed and with material pole 3, the material pole mounting hole 12 of locking bar 41 and hasp 42 assembly, material pole mounting groove 13 and fastening screw hole 44, backing plate 2 is located in the dress chuck 1, support through the layer board strip 11 of dress chuck 1, backing plate 2 is equipped with the filler strip 23 of multiseriate row sand hole 21 and blade location, the height of filler strip 23 is less than the height of blade 5, material pole 3 is a slender pole, through material pole mounting hole 12 in the dress chuck 1, material pole mounting groove 13 and the cooperation of dress chuck 1, treat that sandblast passivation blade 5 cluster is in material pole 3, it presss from both sides tightly through clamping unit 4 between dress chuck 1, backing plate 2, the material pole 3 three.

In the embodiment, the backing plate 2 is provided with a plurality of rows of sand discharge holes 21, each row of sand discharge holes 21 corresponds to a material rod mounting hole 12 and a material rod mounting groove 13 in the assembly chuck 1, the axis position of each sand discharge hole 21 and the centers of the material rod mounting hole 12 and the material rod mounting groove 13 are on the same straight line, the width L1 of each sand discharge hole 21 is as large as possible, sand grains can be conveniently discharged, and the preferred range of L1 is 4mm or more and L1 or less and 8mm or less. In this embodiment, L1 is set to 6 mm.

The height of the shim plate strip 23 for positioning the blade is H1, the width 52 of the blade is H1 ', the ratio of H1' to H1 determines the positioning reliability of the blade 5 and the number of types of blades corresponding to one set of clamp, and in order to save cost, one set of clamp needs to meet the requirement of sand blasting passivation of the blades of various types. The ratio of the height of the batten 23H 1 to the width of the blade 52H 1 'is preferably in the range of H1= (1/3-3/4) H1', in this embodiment, H1=5mm, and H1= 12.7 mm.

The interval of the backing strip 23 positioned by each row of blades is L2, the length of the blade 5 is L2 ', and in order to ensure the matching relationship between the blade and the backing strip 23, the distance between the blade and the backing strip 23 is more than or equal to 0.1mm and less than or equal to L2-L2' and less than or equal to 0.5 mm. In this example, L2-L2' =0.2 mm.

The diameter of the material rod 3 is D1, the diameter of the blade center hole 53 is D1 ', the smaller value of the diameter D1 of the material rod 3 can ensure that sand grains can smoothly flow into and out of the blade center hole 53, the sand blasting quality of the blade center hole 53 is ensured, and generally, the D1 is more than or equal to 0.8D1 ' and more than or equal to 0.4D1 '. In this example, D1' =5.75mm, D1=2.8 mm.

In this embodiment, the clamping assembly 4 includes a locking bar 41, a locking buckle 42 and a fastening screw 43, and a fastening screw hole 44 and a locking bar mounting hole 45 which can be matched with the fastening screw 43 and the locking bar 41 are correspondingly formed in the clamping plate 1. After the blade 5 is placed into the material rod 3 and installed, the locking bar 41 is inserted into the locking bar installation hole 45 and the lock catch 42 is screwed. In this embodiment, 1 locking bar 41 and one locking buckle 42 are provided.

In the embodiment, in order to ensure that the blades 5 are not damaged during sandblasting passivation, the two blades 5 are isolated by the rubber gasket 6.

In the embodiment, in order to ensure that the blade 5 is not easily damaged by the backing plate 2 and the backing plate strip 23, and in order to reduce the weight, the backing plate 2 and the backing plate strip 21 are made of bakelite materials.

The utility model discloses working method as follows:

firstly, the blades 5 are sequentially arranged in the material rod 3, every two blades 5 are separated by a rubber gasket 6, the length clamping part 51 of each blade 5 is matched with the bottom surface 22 of the base plate, the width clamping part 52 of each blade 5 is matched with the two side surfaces 24 of the base plate, the material rod 3 is embedded into the material rod mounting plate 1 through the material rod mounting hole 12 and the material rod mounting groove 13, the material rod 3 is fixed in the material rod mounting plate 1 through the locking strip mounting hole 45 in the material rod mounting plate 1 through the locking strip 41, then the lock catch 42 is rotated inwards to be overlapped with the locking strip 41, and finally the fastening screw 43 is locked.

It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The blade sandblasting passivation clamp is characterized by comprising a clamping plate (1), a base plate (2), a material rod (3) and a clamping assembly (4); the backing plate (2) is arranged in the clamping plate (1), a plurality of rows of sand discharge holes (21) and a backing plate strip (23) for positioning the blade are arranged on the backing plate (2), and the height of the backing plate strip (23) is lower than that of the blade (5); the material rod (3) is a slender rod and is fixed through a material rod mounting hole (12) and a material rod mounting groove (13) on the clamping disc (1); the blade (5) to be passivated by sand blasting is strung in the material rod (3); the clamping disc (1), the backing plate (2) and the material rod (3) are clamped by a clamping assembly (4).

2. The blade sandblasting passivation jig as claimed in claim 1, wherein the axial center position of the sand discharge hole (21) is on the same line with the centers of the material rod mounting hole (12) and the material rod mounting groove (13).

3. The blade sandblasting passivation jig as claimed in claim 2, wherein the width L1 of the sand discharge holes (21) ranges from 4mm ≦ L1 ≦ 8 mm.

4. The blade sandblasting passivation jig as claimed in claim 1, wherein the length of the clamping portion (51) of the blade (5) is L2 ', and the interval of each row of the backing strip (23) is L2, so that L2-L2' is 0.1mm or less and 0.5mm or less.

5. The blade sandblasting passivation fixture as claimed in claim 1, wherein the width of the width clamping portion (52) of the blade (5) is H1 ', the height of each row of the backing strip (23) is H1, and then H1 is (1/3-3/4) H1'.

6. The insert blast passivation fixture of claim 1, characterized in that: the diameter of the material rod (3) is D1, and the diameter of the central hole (53) of the blade is D1 ', so that the D1 is more than or equal to 0.4D1 ' and less than or equal to 0.8D1 '.

7. The blade sandblasting passivation fixture as claimed in claim 1, wherein the material bar mounting holes (12) and the material bar mounting grooves (13) are respectively arranged on the brackets at two sides of the clamping plate (1).

8. The blade sandblasting passivation fixture as claimed in claim 1, characterized in that the material bar (3) is strung with rubber washers (6) spaced apart from the blade (5) to be sandblasted.

9. The insert blast passivation fixture of claim 1, characterized in that the clamping assembly (4) comprises a locking bar (41), a locking buckle (42) and a fastening screw (43); a fastening screw hole (44) matched with the fastening screw (43) and a locking bar mounting hole (46) matched with the locking bar (41) are correspondingly arranged in the clamping disc (1); the lock catch (42) is fixed through a fastening screw (43) and locks the lock bar (41).