CN203726348U - Torsion bar shot blasting machine - Google Patents

Abstract

The utility model provides a torsion bar shot blasting machine. A shot outlet of the torsion bar shot blasting machine is a horn-shaped opening, so that the distribution area of blast shots can be enlarged; the contact surface between each blade and each shot is a rough arc-shaped curved surface, so that the blast shots are distributed uniformly; an impeller is provided with six or eight blades, so that the running balance of a shot blasting device is ensured, the balance torque is between 12 and 15N.mm; meanwhile, the equipment noises are reduced greatly; the weight difference between every two blades is not more than 3g. The motor adopts direct connection transmission; the power loss of a belt is reduced, so that the energy consumption is reduced by 16 to 19 percent. A shot distribution wheel, a positioning sleeve, the impeller, the blades and a cover all made of wear resistant cast iron with the chromium content higher than 18 percent, so that the wear resistance of the components can be improved, the service life of a machine can be prolonged; the shot blasting amount of the shot blasting machine can be up to 320kg/min, and the shot blasting speed can be up to 88m/s; the service life of the components can be prolonged by 4 times; the noises can be reduced by 45 percent; the work efficiency can be improved effectively.

Description

Torque arm shot-blasting machine

Technical field

The utility model relates to a kind of shot-blasting machine, particularly relates to a kind of shot-blasting machine for car transmissions torque arm.

Background technology

In being processed to processing procedure, torque arm needs it to carry out Shot Blasting.Shot Blasting be by shot-blasting machine by steel sand bullet high speed falling impact a kind for the treatment of technology on torque arm surface, can remove preferably the corrosion on torque arm surface and splash, and increase the coefficient of friction on torque arm surface.Tradition shot-blasting machine is mainly to utilize the blade of impeller head high speed rotation that bullet is thrown out, and high-speed impact piece surface, reaches surface-treated requirement.And the bullet skewness that the blade of traditional impeller head is dished out in the course of the work and the bullet distributed area of dishing out are little, inefficiency, and the part such as blade, cover cap is easy to wear serious, has a strong impact on complete machine service life.

Utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of torque arm shot-blasting machine, for solve the impeller of prior art impeller head dish out in the course of the work bullet skewness, dish out that bullet distributed area is little, the problem such as the serious wear of inefficiency, bullet and case backplate.

For achieving the above object and other relevant objects, the utility model provides a kind of torque arm shot-blasting machine, comprise motor, impeller head, described impeller head comprises shot wheel, orienting cover, impeller, blade, case, electric machine main shaft top fixed installation shot wheel, shot wheel is fixed with orienting cover outward, shot wheel is located in the cavity of orienting cover, and there is proportional spacing between the cavity wall of shot wheel and orienting cover cavity wall, the cavity wall of shot wheel is provided with equally distributed point of ball mouth, described orienting cover is located in the cavity of impeller, the cavity wall of orienting cover is provided with opening, on described impeller, be fixed with blade, described go out ball mouth be horn-like opening, described blade and bullet phase-contact surface are shaggy arc-shaped curved surface.

Preferably, described wheel speed is 2300r/min-2600r/min.

Preferably, described impeller is provided with and makes blade radially insert the T-shaped groove of cooperation.

Preferably, blade on described impeller is 6 or 8, has ensured the balance of impeller head running, makes its trimming moment between 12-15Nmm (national standard 18.6Nmm), greatly reduce noise of equipment, every group of leaf weight is poor not in 3g simultaneously.

Preferably, described shot wheel, orienting cover, impeller, blade, case all adopt chromium content higher than 18% wear resistant cast iron.

Preferably, described in enter ball mouth be provided with rubber seal and sealing hairbrush, with prevent ball material in High Rotation Speed process from enter ball mouth overflow.

As mentioned above, torque arm shot-blasting machine of the present utility model, there is following beneficial effect: described in to go out ball mouth be horn-like opening, can increase the bullet distributed area of dishing out, described blade and bullet phase-contact surface are shaggy arc-shaped curved surface, the ball blast face of blade is arcwall face, the bullet that can make like this to dish out is evenly distributed, preferably, blade on described impeller is 6 or 8, has ensured the balance of impeller head running, makes its trimming moment between 12-15Nmm, greatly reduce noise of equipment, every group of poor 3g that is less than of leaf weight simultaneously.Described motor adopts direct-connection transmission, reduces belt kinetic equation loss, makes Energy Intensity Reduction 16-19%.Described shot wheel, orienting cover, impeller, blade, case all adopt chromium content higher than 18% wear resistant cast iron, can increase the wearability of parts, improve service life of a machine.Described enter ball mouth be provided with double-layer rubber sealing and sealing hairbrush, prevent that ball material from overflowing from entering ball mouth in High Rotation Speed process.The ball blast amount of this Novel shot blasting machine can reach 320kg/min, and ball blast speed can reach 88m/s, can improve 4 times of part lifes, reduces noise 45%, effectively increases work efficiency.

Brief description of the drawings

Fig. 1 is the work schematic diagram of torque arm shot-blasting machine.

Fig. 2 is the schematic diagram of shot wheel.

Fig. 3 is the schematic diagram of orienting cover.

Detailed description of the invention

By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this description.

Refer to Fig. 1 to Fig. 3.Notice, appended graphic the illustrated structure of this description, ratio, size etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.

As shown in Figure 1 to Figure 3, the utility model provides a kind of torque arm shot-blasting machine, comprise motor (not shown), shot wheel 9, orienting cover 10, impeller 4, blade 3, case 2, enter ball mouth 1, go out ball mouth 5, electric machine main shaft top is installed with shot wheel 9, orienting cover 10 is enclosed within outside shot wheel 9, be that shot wheel is located in the cavity of orienting cover 10, and there is proportional spacing between the cavity wall of shot wheel 9 and orienting cover 10 cavity walls, the cavity wall of shot wheel 9 is provided with equally distributed point of ball mouth 91, described orienting cover 10 is located in the cavity of impeller, the cavity wall of orienting cover 10 is provided with opening 101, described impeller 4 is provided with T-shaped groove, described blade 3 inserts T-shaped groove and impeller 4 is fixing, described blade 3 has 8, ensure the balance of impeller head running, make its trimming moment between 12～15Nmm, greatly reduce noise of equipment simultaneously, every group of poor 3g that is less than of leaf weight.Blade 3 is shaggy arc-shaped curved surface with bullet 6 phase-contact surfaces, as carries out Shot Blasting, can increase like this frictional force between bullet and blade.Go out ball mouth 5 for horn-like opening, described shot wheel 9, orienting cover 10, impeller 4, blade 3, case 2 all adopt chromium content higher than 18% wear resistant cast iron.Enter ball mouth 1 place and be provided with double-layer rubber sealing and sealing hairbrush.

Described impeller 4 rotating speeds are 2600r/min, and power of motor is 16KW.Electric machine main shaft drives shot wheel 9 and impeller 4 to rotate, impeller 4 is with moving vane 3 to rotate, bullet 6 enters from entering ball mouth 1, flow in ball wheel 9 through the entrance of shot wheel 9, the bullet 6 again point ball mouth 91 from shot wheel 9 sidewalls flows to 10 li of orienting covers, only has an opening 101 on orienting cover 10 sidewalls, can allow bullet 6 direction on request flow out, flow on blade 3, and by the blade 3 ball mouth 5 of dishing out out, impinge upon on torque arm 7.

Show that according to test data this Novel shot blasting machine can make the ball blast amount of ball blast can reach 320kg/min, ball blast speed can reach 88m/s, can improve 4 times of part lifes, reduces noise 45%, effectively increases work efficiency.

In sum, a kind of torque arm shot-blasting machine of the utility model, electric machine main shaft top fixed installation shot wheel 9, the outer orienting cover 10 that is fixed with of shot wheel 9, shot wheel 9 is located in the cavity of orienting cover 10, orienting cover 10 is located in the cavity of impeller 4, on impeller 4, be fixed with blade 3, described go out ball mouth 5 be horn-like opening, can increase the bullet distributed area of dishing out, described blade 3 and bullet 6 phase-contact surfaces are coarse arc-shaped curved surface, the bullet 6 that makes to dish out is evenly distributed, blade on described impeller 4 is 6 or 8, ensure the balance of impeller head running, make its trimming moment between 12-15Nmm (national standard 18.6Nmm), greatly reduce noise of equipment simultaneously, every group of poor 3g that is less than of leaf weight.Described motor adopts direct-connection transmission, reduces belt kinetic equation loss, makes Energy Intensity Reduction 16-19%.Described shot wheel 9, orienting cover 10, impeller 4, blade 3, case 2 all adopts chromium content higher than 18% wear resistant cast iron, can increase the wearability of parts, improve service life of a machine, the ball blast amount of this Novel shot blasting machine can reach 320kg/min, ball blast speed can reach 88m/s, can improve 4 times of part lifes, reduce noise 45%, effectively increase work efficiency.

So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.

Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims (4)

1. a torque arm shot-blasting machine, it is characterized in that: comprise motor, impeller head, described impeller head comprises shot wheel (9), orienting cover (10), impeller (4), blade (3), case (2), described case (2) is provided with into ball mouth (1) and goes out ball mouth (5), electric machine main shaft top is installed with shot wheel (9), the outer orienting cover (10) that is fixed with of shot wheel (9), shot wheel (9) is located in the cavity of orienting cover (10), and there is proportional spacing between the cavity wall of shot wheel (9) and orienting cover (10) cavity wall, the cavity wall of shot wheel (9) is provided with equally distributed point of ball mouth (91), described orienting cover (10) is located in the cavity of impeller (4), the cavity wall of orienting cover (10) is provided with opening (101), on described impeller (4), be fixed with blade (3), described go out ball mouth (5) be horn-like opening, described blade (3) is shaggy arc-shaped curved surface with bullet (6) phase-contact surface.

2. torque arm shot-blasting machine according to claim 1, is characterized in that: described impeller (4) is provided with and makes blade (3) radially insert the T-shaped groove coordinating.

3. torque arm shot-blasting machine according to claim 1, is characterized in that: the blade on described impeller (4) is 6 or 8.

4. torque arm shot-blasting machine according to claim 1, is characterized in that: described in enter ball mouth (1) be provided with rubber seal and sealing hairbrush.