Multi-position punching jig for abrasive disc

Abstract

The utility model relates to the technical field of abrasive disc machining, and discloses an abrasive disc multi-position punching jig which comprises a plurality of supporting plates, a limiting seat is arranged in the middle of the top end of each supporting plate, a through hole is formed in the middle of each limiting seat, and a punching mechanism is arranged above each supporting plate. The punching mechanism comprises a fixing seat, a telescopic groove is formed in the bottom of the fixing seat, a positioning barrel is slidably arranged in the telescopic groove, a punching head is arranged at the bottom end of the fixing seat, a fixing frame is arranged at the top end of the supporting plate located in the middle, and a lifting air cylinder is arranged at the top end of the fixing frame. A plurality of sand discs can be punched through the arranged assembled supporting plate and the punching mechanism, punching does not need to be conducted in the same positioning hole, the positions of the sand discs can be limited through the arranged positioning cylinder, the fixed seat can be conveniently driven to move downwards through the arranged lifting air cylinder, the positioning cylinder is compressed, and the punching efficiency is improved. And the movement of the fixed seat is not interfered.

Description

Technical Field

[0001] The utility model relates to the technical field of sand tray processing, in particular to a sand tray multi-position drilling fixture. Background Art

[0002] Sand tray refers to a sand tray used for grinding. It includes sandpaper and velvet sheet, which are stacked together, and several axial through holes are processed on the sandpaper and velvet sheet. The velvet sheet is attached to the tray with Velcro, which is convenient for assembly and use. At the same time, the axial through holes on the sandpaper and velvet sheet can timely absorb the dust and powder generated during the processing, improve the processing accuracy, and reduce the flying of dust and powder. When processing the sand tray, it needs to be punched.

[0003] After searching, a back velvet sand disc punching device disclosed in application number CN201920701362.1 includes an operating table, a top plate, a hydraulic cylinder 1, a pad, a hydraulic cylinder 2, a pressure plate, a punching column, a limit plate and a positioning plate, characterized in that: the operating table is arranged on a bracket, the top plate is arranged on a column, the hydraulic cylinder 1 is arranged at the bottom of the operating table, the pad is arranged on a piston rod 1, the hydraulic cylinder 2 is arranged on the top plate, the pressure plate is arranged on a piston rod 2, the punching column is installed on a fixed block through a mounting block, and the limit plate is connected to the pressure plate through a spring. The utility model is provided with a chip removal hole on the bearing plate, and the chip removal hole is connected with a hollow connecting column. A plurality of back velvet sand discs to be punched are stacked up and down and placed on the bearing plate. The bearing plate pushes the back velvet sand disc into the positioning hole, and the punching column punches the back velvet sand disc in the positioning hole to avoid shaking of the back velvet sand disc during the punching process, thereby improving the punching quality of the back velvet sand disc.

[0004] However, the above method still has the following defects in actual use: placing multiple sanding discs in the same positioning hole for drilling easily causes wear of adjacent sanding discs, and the number of sanding discs processed each time is limited, and drilling at multiple positions cannot be performed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a sand tray multi-position drilling fixture, which has the advantages of high drilling efficiency and is not prone to sand tray wear, thereby solving the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a sand tray multi-position drilling jig, comprising a plurality of support plates, a limit seat is provided in the middle of the top end of the support plate, a through hole is provided in the middle of the limit seat, and a drilling mechanism is provided above the support plate; the drilling mechanism comprises a fixed seat, a telescopic groove is provided at the bottom of the fixed seat, a positioning cylinder is provided for sliding inside the telescopic groove, a drilling head is provided at the bottom end of the fixed seat, and a fixed frame is provided at the top end of the support plate located in the middle, a lifting cylinder is provided at the top end of the fixed frame, and the telescopic end of the lifting cylinder passes through the fixed frame and is connected to the top end of the fixed seat located in the middle position.

[0007] As a preferred technical solution of the utility model, a collection hole is provided in the middle of the support plate, a support frame is provided at the bottom end of the support plate, a bottom plate is provided at the bottom of the support frame, and a collection box is provided at the top end of the bottom plate.

[0008] As a preferred technical solution of the utility model, a positioning column is provided at the top of the bottom plate, a positioning hole is provided at the bottom end of the material collection box, which is engaged with the positioning column, and a groove is provided on the side of the material collection box.

[0009] As a preferred technical solution of the utility model, the four corners of the support plate are provided with connecting seats, and two adjacent connecting seats are connected by connecting bolts.

[0010] As a preferred technical solution of the utility model, an annular mounting plate is provided at the bottom end of the limit seat, and the mounting plate is connected to the top end of the support plate by mounting screws.

[0011] As a preferred technical solution of the utility model, a fixing plate is provided at the top of the punching head, and the fixing plate is connected to the bottom end of the fixing seat by fixing screws.

[0012] As a preferred technical solution of the utility model, a connecting column is provided between two adjacent fixing seats, and a mounting seat is provided at the end of the connecting column. The mounting seat is connected to the corresponding fixing seat by a connecting screw.

[0013] As a preferred technical solution of the utility model, a connecting spring is provided at the top end of the positioning cylinder, and the top end of the connecting spring is connected to the inside of the telescopic slot.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. Multiple sand trays can be punched by the assembled support plate and the punching mechanism, and it is not necessary to punch holes in the same positioning hole. The positioning cylinder can limit the position of the sand tray. The lifting cylinder can easily drive the fixed seat to move downward, compress the positioning cylinder, and do not interfere with the movement of the fixed seat.

[0016] 2. The waste chips generated by drilling can be collected through the set aggregate holes and aggregate boxes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is one of the explosion structure schematic diagrams of the utility model;

[0019] Figure 3 This is the second schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 For this utility model Figure 2 A is an enlarged structural diagram;

[0021] Figure 5 It is a partial structural schematic diagram of the utility model.

[0022] In the figure: 1. support plate; 101. collection hole; 102. support frame; 103. bottom plate; 104. positioning column; 105. collection box; 106. positioning hole; 107. groove; 108. connecting seat; 109. connecting bolt; 2. limit seat; 201. through hole; 202. mounting plate; 203. mounting screw; 3. punching mechanism; 301. fixing frame; 302. lifting cylinder; 303. fixing seat; 304. telescopic slot; 305. positioning cylinder; 306. connecting spring; 307. punching head; 308. fixing plate; 309. fixing screw; 3010. connecting column; 3011. mounting seat; 3012. connecting screw. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 A multi-position drilling fixture for a sand tray comprises a plurality of support plates 1, a limit seat 2 is provided in the middle of the top of the support plate 1, a through hole 201 is provided in the middle of the limit seat 2, and a drilling mechanism 3 is provided above the support plate 1 to drill holes in the sand tray;

[0025] A collecting hole 101 is provided in the middle of the support plate 1 to facilitate the discharge of waste chips. A support frame 102 is provided at the bottom end of the support plate 1. A bottom plate 103 is provided at the bottom of the support frame 102. A collecting box 105 is provided at the top end of the bottom plate 103 to collect waste chips.

[0026] A positioning column 104 is provided at the top of the bottom plate 103, and a positioning hole 106 is provided at the bottom of the material collecting box 105, which is engaged with the positioning column 104. A groove 107 is provided on the side of the material collecting box 105 to facilitate the rapid disassembly and assembly of the material collecting box 105 and the processing of waste materials;

[0027] The four corners of the support plate 1 are provided with connection seats 108, and two adjacent connection seats 108 are connected by connection bolts 109, so as to facilitate the connection between adjacent support plates 1;

[0028] An annular mounting plate 202 is provided at the bottom end of the limiting seat 2 , and the mounting plate 202 is connected to the top end of the support plate 1 through mounting screws 203 , so as to facilitate the disassembly and assembly of the limiting seat 2 .

[0029] The punching mechanism 3 includes a fixed seat 303, a telescopic slot 304 is provided at the bottom of the fixed seat 303, a positioning cylinder 305 is slidably provided inside the telescopic slot 304, a punching head 307 is provided at the bottom end of the fixed seat 303, and a fixed frame 301 is provided at the top end of the support plate 1 located in the middle, a lifting cylinder 302 is provided at the top end of the fixed frame 301, and the telescopic end of the lifting cylinder 302 penetrates the fixed frame 301 and is connected to the top end of the fixed seat 303 located in the middle position;

[0030] A fixing plate 308 is provided at the top of the punching head 307, and the fixing plate 308 is connected to the bottom of the fixing seat 303 by fixing screws 309, so as to facilitate the disassembly, replacement and maintenance of the punching head 307;

[0031] A connecting column 3010 is provided between two adjacent fixing seats 303, and a mounting seat 3011 is provided at the end of the connecting column 3010. The mounting seat 3011 is connected to the corresponding fixing seat 303 by a connecting screw 3012, so as to facilitate the connection between adjacent fixing seats 303;

[0032] A connecting spring 306 is provided at the top of the positioning cylinder 305. The top of the connecting spring 306 is connected to the inside of the telescopic slot 304, so that the positioning cylinder 305 can be reset.

[0033] When in use, firstly, according to the number of sand trays to be punched, the corresponding support plates 1 are assembled together through the connecting seats 108 and the connecting bolts 109, and the connecting columns 3010 are assembled together through the mounting seats 3011 and the connecting screws 3012 so as to assemble the adjacent fixing seats 303;

[0034] Next, the corresponding sand tray is placed inside the limiting seat 2, and the lifting cylinder 302 is started. The telescopic end of the lifting cylinder 302 is extended to drive the fixed seat 303 to move downward, so that the positioning cylinder 305 first contacts the sand tray to limit the position of the sand tray. The fixed seat 303 continues to move downward, and the positioning cylinder 305 is compressed into the telescopic groove 304 of the fixed seat 303 until the punching head 307 contacts the sand tray, and holes are punched in the sand trays at multiple different positions.

[0035] The waste generated during the drilling process is discharged into the collection box 105 through the collection holes 101. After the drilling is completed, the collection box 105 is removed from the bottom plate 103, and the waste inside the collection box 105 is centrally processed.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sand tray multi-position drilling fixture, characterized in that: It comprises a plurality of support plates (1), a limit seat (2) is provided in the middle of the top end of each support plate (1), a through hole (201) is provided in the middle of each limit seat (2), and a punching mechanism (3) is provided above each support plate (1); The punching mechanism (3) comprises a fixed seat (303), a telescopic slot (304) is provided at the bottom of the fixed seat (303), a positioning cylinder (305) is slidably provided inside the telescopic slot (304), a punching head (307) is provided at the bottom end of the fixed seat (303), and a fixed frame (301) is provided at the top end of the support plate (1) located in the middle, a lifting cylinder (302) is provided at the top end of the fixed frame (301), and the telescopic end of the lifting cylinder (302) passes through the fixed frame (301) and is connected to the top end of the fixed seat (303) located in the middle.

2. The sand tray multi-position drilling jig according to claim 1, characterized in that: A material collection hole (101) is provided in the middle of the support plate (1), a support frame (102) is provided at the bottom end of the support plate (1), a bottom plate (103) is provided at the bottom of the support frame (102), and a material collection box (105) is provided at the top end of the bottom plate (103).

3. The sand tray multi-position drilling jig according to claim 2, characterized in that: A positioning column (104) is provided at the top end of the bottom plate (103), a positioning hole (106) is provided at the bottom end of the material collection box (105) and is engaged with the positioning column (104), and a groove (107) is provided on the side of the material collection box (105).

4. The sand tray multi-position drilling jig according to claim 1, characterized in that: The four corners of the support plate (1) are provided with connection seats (108), and two adjacent connection seats (108) are connected via connection bolts (109).

5. The sand tray multi-position drilling jig according to claim 1, characterized in that: An annular mounting plate (202) is provided at the bottom end of the limiting seat (2), and the mounting plate (202) is connected to the top end of the support plate (1) via mounting screws (203).

6. The sand tray multi-position drilling jig according to claim 1, characterized in that: A fixing plate (308) is provided at the top end of the punching head (307), and the fixing plate (308) is connected to the bottom end of the fixing seat (303) via fixing screws (309).

7. The sand tray multi-position drilling jig according to claim 1, characterized in that: A connecting column (3010) is provided between two adjacent fixing seats (303), and a mounting seat (3011) is provided at the end of the connecting column (3010). The mounting seat (3011) is connected to the corresponding fixing seat (303) via a connecting screw (3012).

8. The sand tray multi-position drilling jig according to claim 1, characterized in that: A connecting spring (306) is provided at the top end of the positioning cylinder (305), and the top end of the connecting spring (306) is connected to the inside of the telescopic slot (304).

Images