Milling clamp for explosion-proof cover plate of electric cabinet

Abstract

The utility model discloses a milling fixture for an explosion-proof cover plate of an electric control box, which is applied to the technical field of processing of the explosion-proof cover plate of the electric control box and comprises a processing center platform, and a first supporting plate, a second supporting plate, a third supporting plate, a fourth supporting plate and a fifth supporting plate are respectively mounted at the top of the processing center platform. The number of the first bearing plates and the number of the second bearing plates are both two, and the first bearing plates and the second bearing plates are symmetrically installed. The number of the fifth bearing plates is two, and the fifth bearing plates are symmetrically installed. Five kinds of supporting pieces are combined on the workbench, and the five kinds of supporting pieces can move on the top of the machining center platform through the T-shaped sliding grooves. Therefore, the milling machine can be suitable for milling the explosion-proof cover plates of the electric control box with various boundary dimensions within a certain range, and the practicability is improved. A pair of processed vertical side edges of the explosion-proof cover plate of the electric cabinet and the explosion-proof surface subjected to rough machining are used for positioning, and the side surfaces are pressed by using set screws, so that the finish machining deformation of the explosion-proof surface is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the electric control box explosion -proof cover plate processing technical field, especially relate to a kind of milling fixture for electric control box explosion -proof cover plate. BACKGROUND

[0002] Electric control box explosion -proof cover plate is important part on coal winning machine electric control box, it can effectively prevent electrical spark from causing explosion, to thereby guarantee the safety of production site.In flammable and explosive mine under excavation environment, electric control box uses explosion -proof cover plate, can greatly reduce the risk of fire and explosion, protect the safety of operating personnel and property.

[0003] At present, the Chinese utility model with announcement number CN221185612U discloses a milling clamp for metal plate.In the existing electric control box explosion -proof cover plate explosion -proof surface finishing clamping process, all are equal height pad or directly placed on machine tool workbench under pad, workpiece is fastened with pressing plate, explosion -proof surface is processed in sections.But this clamping method, after explosion -proof cover plate processing, easy to produce deformation rebound, thereby leading to uneven upper end surface of explosion -proof plate, need to be processed repeatedly finally to make explosion -proof cover plate, reduce the efficiency of explosion -proof cover plate explosion -proof surface finishing. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of milling fixture for electric control box explosion -proof cover plate, its advantage is to guarantee the flatness of electric control box explosion -proof cover plate after processing, reduce deformation and can adjust processing range, give consideration to the versatility of milling fixture.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of milling fixture for electric control box explosion -proof cover plate, including machining center platform, the top of the machining center platform is respectively installed with supporting plate one, supporting plate two, supporting plate three, supporting plate four, supporting plate five, the number of supporting plate one and supporting plate two is two and mutually symmetrical installation, the number of supporting plate five is two and symmetrical installation, the number of supporting plate three and supporting plate four is one and mutually symmetrical installation, T type sliding slot is set in the top of the machining center platform, the bottom of supporting plate one, supporting plate two, supporting plate three, supporting plate four, supporting plate five is all screw thread connection with internal hexagon screw one and internal hexagon screw four, the bottom of internal hexagon screw one and internal hexagon screw four is all bolted with T type sliding block of T type sliding slot sliding connection.

[0006] The technical scheme is adopted, five supporting pieces are combined on the workbench, the five supporting pieces can move on the top of the machining center platform through the T-shaped sliding groove, so that the milling machining of the explosion-proof cover plate of the electric control box with various sizes within a certain range can be applied, and the practicability is improved. The pair of perpendicular sides of the electric control box explosion-proof cover plate and the roughened explosion-proof surface are used for positioning, the side surface is pressed by the set screw, so that the deformation of the explosion-proof surface during the finishing is reduced. Meanwhile, the explosion-proof surface is used for positioning, the uniformity of the finishing allowance can be ensured, and the machining deformation can be reduced to a certain extent. The whole machining of the explosion-proof surface of the workpiece can be completed by one clamping, the traditional complex mode of step-by-step machining by replacing the pressing plate is avoided, and the machining efficiency is effectively improved.

[0007] The utility model further sets up: supporting plate one and supporting plate four top mutually close one side respectively be provided with positioning piece one and positioning piece two, the inside all of positioning piece one and positioning piece two are hinged with internal hexagonal screw no.

[0008] The technical scheme is adopted, five supporting pieces are combined on the workbench, the five supporting pieces can move on the top of the machining center platform through the T-shaped sliding groove, so that the milling machining of the explosion-proof cover plate of the electric control box with various sizes within a certain range can be applied, and the practicality is improved. The pair of perpendicular sides of the electric control box explosion-proof cover plate and the roughened explosion-proof surface are used for positioning, the side surface is pressed by the set screw, so that the deformation of the explosion-proof surface during the finishing is reduced. Meanwhile, the explosion-proof surface is used for positioning, the uniformity of the finishing allowance can be ensured, and the machining deformation can be reduced to a certain extent. The whole machining of the explosion-proof surface of the workpiece can be completed by one clamping, the traditional complex mode of step-by-step machining by replacing the pressing plate is avoided, and the machining efficiency is effectively improved.

[0009] The utility model further sets up: the inside all of supporting plate two, supporting plate three, supporting plate five are run through screw thread connection has set screw, supporting plate one and supporting plate two top respectively install positioning plate one and positioning plate two, the inside all of positioning plate one and positioning plate two run through screw thread connection has external hexagonal screw, positioning plate one and positioning plate two all are through external hexagonal screw respectively with supporting plate one and supporting plate two top hinged.

[0010] The technical scheme is adopted, five supporting pieces are combined on the workbench, the five supporting pieces can move on the top of the machining center platform through the T-shaped sliding groove, so that the milling machining of the explosion-proof cover plate of the electric control box with various sizes within a certain range can be applied, and the practicability is improved. The pair of perpendicular sides of the electric control box explosion-proof cover plate and the roughened explosion-proof surface are used for positioning, the side surface is pressed by the set screw, so that the deformation of the explosion-proof surface during the finishing is reduced. Meanwhile, the explosion-proof surface is used for positioning, the uniformity of the finishing allowance can be ensured, and the machining deformation can be reduced to a certain extent. The whole machining of the explosion-proof surface of the workpiece can be completed by one clamping, the traditional complex mode of step-by-step machining by replacing the pressing plate is avoided, and the machining efficiency is effectively improved.

[0011] The utility model further sets up: supporting plate one, supporting plate two, supporting plate three, supporting plate four, supporting plate five mutually close one end all run through screw thread connection has supporting screw one.

[0012] The technical scheme is adopted, five supporting pieces are combined on the workbench, the five supporting pieces can move on the top of the machining center platform through the T-shaped sliding groove, so that the milling machining of the explosion-proof cover plate of the electric control box with various sizes within a certain range can be applied, and the practicability is improved. The pair of perpendicular sides of the electric control box explosion-proof cover plate and the roughened explosion-proof surface are used for positioning, the side surface is pressed by the set screw, so that the deformation of the explosion-proof surface during the finishing is reduced. Meanwhile, the explosion-proof surface is used for positioning, the uniformity of the finishing allowance can be ensured, and the machining deformation can be reduced to a certain extent. The whole machining of the explosion-proof surface of the workpiece can be completed by one clamping, the traditional complex mode of step-by-step machining by replacing the pressing plate is avoided, and the machining efficiency is effectively improved.

[0013] The utility model further sets up: the inside all of supporting plate one, supporting plate three, supporting plate four, supporting plate five run through screw thread connection has the positioning pin of T type sliding groove joint.

[0014] Adopting the technical scheme, the positioning pin is matched and clamped with the T-shaped sliding groove, and then the moving positions of the supporting plate one, the supporting plate two, the supporting plate three, the supporting plate four and the supporting plate five are fastened.

[0015] The utility model discloses further set up: the equal height pad and the top pressure screw support are respectively hinged to the machining center platform, and the top of top pressure screw support is threadedly connected with top pressure screw.

[0016] Adopting the technical scheme, the bottom of the explosion-proof cover plate of the electric control box is supported, and the stability after clamping is improved.

[0017] The utility model discloses further set up: the both sides of supporting plate one top are all threadedly connected with the location bushing, and the surface of location bushing is sleeved with hexagon socket screw three.

[0018] Adopting the technical scheme, the stability of the electric control box explosion-proof cover plate after positioning is further improved.

[0019] Summarized above, the utility model has following beneficial effect:

[0020] 1, by adopting five kinds of supporting piece on the work table carries out combination, five kinds of supporting piece can be in through T type sliding groove on the top of machining center platform moves, thereby can be suitable for a certain range within multiple appearance size's electric control box explosion -proof cover plate's milling processing, improves practicality.

[0021] 2, by utilizing the pair of perpendicular side of electric control box explosion -proof cover plate that has been processed and the rough processing after explosion -proof surface itself to position, uses the set screw to press tightly on the side, thereby reduces the deformation of the explosion -proof surface of fine processing, simultaneously with the explosion -proof surface self -positioning, can guarantee the uniformity of fine processing allowance, and can reduce the processing deformation to a certain extent, so that once clamping can complete the whole processing of the workpiece explosion -proof surface, avoids the traditional complicated mode of completing the step -by -step processing of replacing the pressing plate and pressing position, effectively improves the processing efficiency. DRAWINGS

[0022] Figure 1 It is the structure plan view of the utility model;

[0023] Figure 2 It is one side structure section view of the utility model;

[0024] Figure 3 It is another side structure section view of the utility model.

[0025] 1, T-shaped sliding block; 2, inner hexagonal screw one; 3, supporting screw one; 4, supporting plate one; 5, inner hexagonal screw two; 6, spring washer; 7, positioning block one; 8, positioning plate one; 9, outer hexagonal screw; 10, positioning plate two; 11, set screw; 12, supporting plate two; 13, positioning pin; 14, supporting plate three; 15, equal-height pad; 16, positioning block two; 17, supporting plate four; 18, supporting plate five; 19, positioning bushing; 20, inner hexagonal screw three; 21, inner hexagonal screw four; 22, jacking screw; 23, jacking screw support; 24, machining center platform; 25, T-shaped sliding groove. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail below in combination with the drawings.

[0027] Example 1

[0028] Reference Figure 1 , Figure 2 , Figure 3 A milling clamp for an electric control box explosion-proof cover plate comprises a machining center platform 24, the top of the machining center platform 24 is respectively provided with a supporting plate one 4, a supporting plate two 12, a supporting plate three 14, a supporting plate four 17 and a supporting plate five 18, the number of the supporting plate one 4 and the supporting plate two 12 is both two and they are symmetrically installed, the number of the supporting plate five 18 is two and they are symmetrically installed, the number of the supporting plate three 14 and the supporting plate four 17 is both one and they are symmetrically installed, the top of the machining center platform 24 is provided with a T-shaped sliding groove 25, the bottom of the supporting plate one 4, the supporting plate two 12, the supporting plate three 14, the supporting plate four 17 and the supporting plate five 18 is respectively connected with an inner hexagonal screw one 2 and an inner hexagonal screw four 21, the bottom of the inner hexagonal screw one 2 and the inner hexagonal screw four 21 is respectively connected with a T-shaped sliding block 1 which is slidingly connected with the T-shaped sliding groove 25. By adopting five supporting pieces on the workbench, the five supporting pieces can be moved on the top of the machining center platform 24 through the T-shaped sliding groove 25. Thus, the milling machining of the electric control box explosion-proof cover plate with various sizes within a certain range can be realized, and the practicability is improved. By using the pair of perpendicular sides of the electric control box explosion-proof cover plate which has been machined and the roughened explosion-proof surface itself for positioning, the set screw 11 is used to press on the side surface, so that the deformation of the explosion-proof surface during fine machining is reduced.

[0029] Reference Figure 2 , Figure 3The top of the supporting plate one 4 and the supporting plate four 17, which are close to each other, are respectively provided with a positioning block one 7 and a positioning block two 16, the inside of the positioning block one 7 and the positioning block two 16 is respectively provided with a hexagonal screw two 5, the surface of the hexagonal screw two 5 is sleeved with a spring washer 6, and the positioning block one 7 and the positioning block two 16 are respectively connected with the supporting plate one 4 and the supporting plate four 17 through the hexagonal screw two 5. The explosion-proof cover plate is positioned, so that the overall machining of the workpiece explosion-proof surface can be completed at one time.

[0030] Reference Figure 2 , Figure 3 The inside of the supporting plate two 12, the supporting plate three 14 and the supporting plate five 18 is respectively provided with a tight screw 11, the top of the supporting plate one 4 and the supporting plate two 12 is respectively provided with a positioning plate one 8 and a positioning plate two 10, the inside of the positioning plate one 8 and the positioning plate two 10 is respectively provided with a hexagonal screw 9, and the positioning plate one 8 and the positioning plate two 10 are respectively connected with the top of the supporting plate one 4 and the supporting plate two 12 through the hexagonal screw 9. The positioning plate one 8 and the positioning plate two 10 are respectively mounted on the two supporting plates one 4 and two 12 through the hexagonal screw 9, so that they can be tightly fastened with the upper end surface, and the explosion-proof cover plate is pushed.

[0031] Reference Figure 2 , Figure 3 The inside of the supporting plate one 4, the supporting plate three 14, the supporting plate four 17 and the supporting plate five 18 is respectively provided with a positioning pin 13 which is connected with a T-shaped sliding groove 25. The positioning pin 13 is tightly connected with the inside of the T-shaped sliding groove 25, and the moving position of the supporting plate one 4, the supporting plate two 12, the supporting plate three 14, the supporting plate four 17 and the supporting plate five 18 is fastened.

[0032] Reference Figure 2 , Figure 3 The machining center platform 24 is respectively provided with an equal-height pad 15 and a top pressure screw support 23, and the top of the top pressure screw support 23 is provided with a top pressure screw 22. The bottom of the explosion-proof cover plate of the electric control box is supported, and the stability after clamping is improved.

[0033] Briefly describe the use process: first, the supporting plate 4, supporting plate 2 12, supporting plate 3 14, supporting plate 4 17, supporting plate 5 18 are placed on the T type sliding block 1, the adopted is "HTM-1000GII" type machining center workbench. Then according to the shape of the processed flameproof cover plate length width size to move distribution supporting plate 4, supporting plate 2 12, supporting plate 3 14, supporting plate 4 17, supporting plate 5 18, supporting plate 4 and supporting plate 2 12 can be connected through T type sliding block 1 and internal hexagonal screw 1 2 and internal hexagonal screw 4 21 in the inside of T type sliding slot 25, and supporting plate 3 14, supporting plate 4 17, supporting plate 5 18 can be connected through T type sliding block 1 and internal hexagonal screw 1 2 in the inside of T type sliding slot 25, so as to move adjustment. Then through the positioning pin 13 and T type sliding slot 25 inside fit card solid, and then respectively to the supporting plate 4, supporting plate 2 12, supporting plate 3 14, supporting plate 4 17, supporting plate 5 18 of the moving position fastening can be.

[0034] Example 2:

[0035] Reference Figure 1 , Figure 2 , Figure 3 , a kind of electric control box flameproof cover plate milling clamp, including machining center platform 24, the top of machining center platform 24 is respectively installed with supporting plate 4, supporting plate 2 12, supporting plate 3 14, supporting plate 4 17, supporting plate 5 18, the number of supporting plate 4 and supporting plate 2 12 is two and mutually symmetrical installation, the number of supporting plate 5 18 is two and symmetrical installation, the number of supporting plate 3 14 and supporting plate 4 17 is one and mutually symmetrical installation, the top of machining center platform 24 is provided with T type sliding slot 25, the bottom of supporting plate 4, supporting plate 2 12, supporting plate 3 14, supporting plate 4 17, supporting plate 5 18 is all threadedly connected with internal hexagonal screw 1 2 and internal hexagonal screw 4 21, the bottom of internal hexagonal screw 1 2 and internal hexagonal screw 4 21 is all bolted with T type sliding block 1 of sliding connection with T type sliding slot 25.Simultaneously with the positioning of flameproof surface itself, the uniformity of finishing allowance can be guaranteed, and the machining deformation can be reduced to a certain extent. In this way, the overall machining of the workpiece flameproof surface can be completed by one clamping, avoiding the traditional complex mode of completing step-by-step machining by replacing the pressing plate, effectively improving the machining efficiency.

[0036] Reference Figure 2 , Figure 3 , the end of supporting plate 4, supporting plate 2 12, supporting plate 3 14, supporting plate 4 17, supporting plate 5 18 close to each other is all threaded with supporting screw 1 3. By turning supporting screw 1 3 on supporting plate 4, supporting plate 2 12, supporting plate 3 14, supporting plate 4 17, supporting plate 5 18, the workpiece can be pushed up and positioned with positioning plate 1 8 and positioning plate 2 10.

[0037] Reference Figure 3 The positioning bush 19 is threaded on the top of the supporting plate 1, and the inner hexagonal screw 20 is sleeved on the surface of the positioning bush 19.

[0038] Brief description of the use process: before placing the workpiece, first use the dial gauge to align the positioning block 1 7 in the longitudinal direction and the positioning block 2 16 in the transverse direction, and ensure that the two are perpendicular, which are the two positioning reference surfaces of the workpiece to be processed. At the same time, the vertical supporting screw 3 can be screwed in the supporting seat in advance, and the upper edge of the horizontal supporting plate should not be exposed. Then, the workpiece is placed on the supporting plate 1 4, the supporting plate 2 12, the supporting plate 3 14, the supporting plate 4 17 and the supporting plate 5 18, and the two vertical sides are positioned against the positioning block 1 7 on the supporting plate 1 4 and the positioning block 2 16 on the supporting plate 4 17, respectively. Then, the workpiece is further positioned by using the clamping screw 11, and attention should be paid to not tighten it. At this time, the positioning plate 1 8 and the positioning plate 2 10 are respectively installed on the two supporting plates 1 4 and 2 12 by using the outer hexagonal screw 9, and are tightly combined with the upper end surface. Then, the supporting screw 1 3 on the supporting plate 1 4, the supporting plate 2 12, the supporting plate 3 14, the supporting plate 4 17 and the supporting plate 5 18 is screwed, and the workpiece is pushed up to the positioning plate 1 8 and the positioning plate 2 10. Then, the clamping screw 1 1 on the supporting plate 3 14, the supporting plate 2 12 and the supporting plate 5 18 is further tightened, so that the workpiece is well positioned and clamped. Finally, the positioning plate 1 8 and the positioning plate 2 10 are removed, and the workpiece can be formally precisely milled.

[0039] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution according to the needs after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.

Claims

1. A milling fixture for an explosion-proof cover plate of an electrical control box, comprising a machining center platform (24), characterized in that: The top of the machining center platform (24) is respectively equipped with support plate one (4), support plate two (12), support plate three (14), support plate four (17), and support plate five (18). There are two support plates one (4) and two support plates two (12), and they are installed symmetrically. There are two support plates five (18), and they are installed symmetrically. There is one support plate three (14) and one support plate four (17), and they are installed symmetrically. The top of the machining center platform (24) is provided with a T-shaped slide groove (25). The bottom of support plate one (4), support plate two (12), support plate three (14), support plate four (17), and support plate five (18) are all threaded with hexagon socket head cap screw one (2) and hexagon socket head cap screw four (21). The bottom of hexagon socket head cap screw one (2) and hexagon socket head cap screw four (21) are all bolted with a T-shaped slider (1) that is slidably connected to the T-shaped slide groove (25).

2. The milling fixture for an explosion-proof cover plate of an electrical control box according to claim 1, characterized in that: Positioning block 1 (7) and positioning block 2 (16) are respectively provided on the side of the top of the support plate 1 (4) and support plate 4 (17) that are close to each other. Both positioning block 1 (7) and positioning block 2 (16) are bolted with hexagon socket screw 2 (5). Spring washer (6) is sleeved on the surface of the hexagon socket screw 2 (5). Positioning block 1 (7) and positioning block 2 (16) are bolted to support plate 1 (4) and support plate 4 (17) respectively by hexagon socket screw 2 (5).

3. A milling fixture for an explosion-proof cover plate of an electrical control box according to claim 1, characterized in that: The support plate 2 (12), support plate 3 (14), and support plate 5 (18) are all threaded with set screws (11). The top of support plate 1 (4) and support plate 2 (12) are respectively equipped with positioning plate 1 (8) and positioning plate 2 (10). The inside of positioning plate 1 (8) and positioning plate 2 (10) are threaded with external hexagonal screws (9). Positioning plate 1 (8) and positioning plate 2 (10) are respectively bolted to the top of support plate 1 (4) and support plate 2 (12) by external hexagonal screws (9).

4. A milling fixture for an explosion-proof cover plate of an electrical control box according to claim 1, characterized in that: The support plates 1 (4), 2 (12), 3 (14), 4 (17), and 5 (18) are all threadedly connected to each other at one end.

5. A milling fixture for an explosion-proof cover plate of an electrical control box according to claim 1, characterized in that: The support plates 1 (4), 3 (14), 4 (17), and 5 (18) are all threadedly connected to positioning pins (13) that engage with the T-shaped slide groove (25).

6. A milling fixture for an explosion-proof cover plate of an electrical control box according to claim 1, characterized in that: The top of the machining center platform (24) is bolted with an equal height pad (15) and a top pressure screw support (23), and the top of the top pressure screw support (23) is threaded with a top pressure screw (22).

7. A milling fixture for an explosion-proof cover plate of an electrical control box according to claim 1, characterized in that: Both sides of the top of the support plate (4) are threaded with positioning bushings (19), and the surface of the positioning bushings (19) is fitted with internal hexagon screws (20).

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