Positioning device for stamping die

Abstract

The utility model relates to the field of stamping dies, and discloses a positioning device for a stamping die, which is characterized in that a lower die holder is arranged above a base, an upper die holder is arranged above the lower die holder, a positioning block is arranged above the upper die holder, a positioning strip is arranged below a stamping plate, and the positioning strip is arranged below the stamping plate. A longitudinal groove and a transverse groove are formed in the surface of the upper end of the base in the longitudinal direction and the transverse direction correspondingly, the longitudinal groove communicates with the transverse groove to form a #-shaped groove, a fixing bolt is arranged in the #-shaped groove, a positioning wheel is rotationally arranged on the fixing bolt, and the surface of the outer ring of the positioning wheel makes rolling contact with the surface of the outer ring of the lower die base. The positioning block of the L-shaped structure is arranged above the upper die base, the positioning strip is arranged below the stamping plate, the positioning block can make contact with the positioning strip in the moving process, then the position of the upper die base can be rapidly determined, and the whole die is located at the center where the die needs to be installed.

Description

Technical Field

[0001] The utility model relates to the field of stamping dies, in particular to a positioning device for a stamping die. Background Technique

[0002] A stamping die is a special process equipment for processing materials into parts in cold stamping. The stamping die base is generally installed on a stamping machine. Among them, the lower die base is fixed on the machine table of the stamping machine, and the upper die base is connected to the stamping head of the stamping machine. During the installation process, alignment and positioning are required to ensure that the die is directly below the stamping machine. A stamping die positioning device for a stamping machine is disclosed in the Chinese utility model patent with the publication number CN220970543U. Through the L-shaped structure setting of the clamping mechanism, an unclosed "mouth" - shaped limiting space can be formed between adjacent clamping mechanisms, so that the front and back sides of the die can be clamped, greatly improving the stability of the die, avoiding the displacement of the die during stamping, improving the positioning accuracy of the die, ensuring accurate alignment during stamping, and improving the use efficiency.

[0003] In the above structure, the die is placed above the base and between two L-shaped clamping mechanisms, and the first threaded rod and the second threaded rod are rotated to move the die back and forth, left and right above the base, so as to adjust its position. The two clamping mechanisms are controlled by two separate first threaded rods and second threaded rods to move. This makes the positions of the two clamping mechanisms different before and after and left and right after rotating the first threaded rod and the second threaded rod, and it is difficult to ensure that the die is at the center above the base. For this reason, we have designed a positioning device for a stamping die. Summary of the Utility Model

[0004] To solve the technical problem that the die is at the center of the stamping machine, the utility model provides a positioning device for a stamping die.

[0005] The utility model is realized by adopting the following technical solutions: A positioning device for a stamping die includes a base. Guide columns are respectively installed at four corners above the base. A stamping plate is slidably arranged up and down on the guide columns. A lower die base is arranged above the base. An upper die base is arranged above the lower die base. A positioning block is arranged above the upper die base. A positioning strip is arranged below the stamping plate.

[0006] Longitudinal grooves and transverse grooves are respectively formed on the upper end surface of the base longitudinally and transversely, and the longitudinal groove and the transverse groove communicate to form a cross-shaped groove. A fixing bolt is arranged in the cross-shaped groove. A positioning wheel is rotatably arranged on the fixing bolt, and the outer surface of the positioning wheel is in rolling contact with the outer surface of the lower die base.

[0007] As a further improvement of the above solution, both the longitudinal groove and the transverse groove are in a T-shaped structure, and two fixing nuts are threadedly connected to the fixing bolt. The positioning wheel is pressed between the two fixing nuts, and the positioning wheel is rotatably arranged. The positioning wheel enables the lower die base to be guided during movement, so that it moves along a straight line without position deviation, which is convenient for subsequent positioning, and makes the lower die base and the upper die base located directly below the punching plate.

[0008] As a further improvement of the above solution, an installation frame is installed on the outer surface of the base by screws. A hydraulic push rod is installed on the installation frame. An abutting plate is arranged on the push rod of the hydraulic push rod. The abutting plate contacts the outer surface of the lower die base. The hydraulic push rod can be installed on the left side and the front side of the base as required, so that the lower die base and the upper die base can move back and forth, left and right above the base, and can quickly make the lower die base located directly below the punching plate, and can quickly position it.

[0009] The installation frame is in an L-shaped structure, and a support plate is further arranged on the installation frame. An arc surface is arranged on the support plate, which can support the hydraulic push rod, thereby facilitating the installation of the hydraulic push rod.

[0010] As a further improvement of the above solution, the positioning strip is located on the right side of the middle below the punching plate. The positioning block is in an L-shaped structure, and the right side of the positioning block is located on the left side of the middle below the punching plate. The rear side of the front part of the positioning block is located on the front side of the middle below the punching plate. When the positioning block is completely attached to the positioning strip, the upper die base is located at the center directly below the punching plate at this time. When installing the upper die base and the lower die base, place the upper die base on the upper left front side of the base, make the positioning block located in the front left of the positioning strip, then move the upper die base to the right and make the right side surface of the positioning block contact the left side surface of the positioning strip, and then move the upper die base backward and make the front side of the positioning strip contact the rear side of the front end of the positioning block. At this time, the upper die base is located at the center directly below the punching plate.

[0011] As a further improvement of the above solution, a first insertion slot matching the position, structure and size of the positioning block is opened on the lower end surface of the punching plate. A second insertion slot matching the position, structure and size of the positioning strip is arranged above the upper die base. After the installation of the upper die base and the lower die base is completed, the punching plate continues to move downward, and makes the positioning strip inserted into the second insertion slot and the positioning block inserted into the first insertion slot. At this time, the lower surface of the punching plate is attached to the upper surface of the upper die base, which is convenient for subsequent connection and fixation.

[0012] As a further improvement of the above solution, a plurality of uniformly distributed countersunk screw holes are opened on the upper end surface of the punching plate, and the countersunk screw holes extend downward into the upper die base. The punching plate is fixed to the upper die base by countersunk bolts, which is convenient for the quick installation and disassembly of the upper die base.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The present utility model is provided with a positioning block in an L-shaped structure above the upper die base, and a positioning strip is arranged below the stamping plate. During the movement process, the positioning block can contact the positioning strip, thereby quickly determining the position of the upper die base and making the entire mold located at the center of the required installation;

[0015] 2. By arranging a transverse groove and a longitudinal groove on the base, corresponding positioning wheels are arranged at corresponding positions according to needs, and in cooperation with the arranged hydraulic push rod, it can make the mold move along a specified path, thereby quickly positioning the overall mold and improving the positioning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a positioning device for a stamping die provided by the present utility model;

[0017] Figure 2 is Figure 1 isometric view of;

[0018] Figure 3 is Figure 1 bottom view of;

[0019] Figure 4 It is a schematic diagram of the structure of the stamping plate close to the upper die base.

[0020] MAIN SYMBOL DESCRIPTION:

[0021] 1. Base; 11. Longitudinal groove; 12. Transverse groove; 2. Positioning wheel; 3. Mounting frame; 31. Support plate; 4. Hydraulic push rod; 41. Abutting plate; 5. Guide post; 6. Stamping plate; 61. Positioning strip; 62. First insertion slot; 7. Lower die base; 8. Upper die base; 81. Positioning block; 82. Second insertion slot; 9. Fixing bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, in combination with the drawings and specific embodiments, the present utility model will be further described. It should be noted that on the premise of no conflict, the following described embodiments or technical features can be arbitrarily combined with each other to form new embodiments.

[0023] Embodiment:

[0024] Please combine with Figures 1-4, A positioning device for a stamping die according to this embodiment includes a base 1. Guide columns 5 are respectively installed at the four corners above the base 1. A stamping plate 6 is slidably arranged up and down on the guide columns 5. A lower die base 7 is arranged above the base 1, an upper die base 8 is arranged above the lower die base 7, a positioning block 81 is arranged above the upper die base 8, and a positioning strip 61 is arranged below the stamping plate 6;

[0025] Longitudinal grooves 11 and transverse grooves 12 are respectively formed longitudinally and transversely on the upper end surface of the base 1, and the longitudinal groove 11 communicates with the transverse groove 12 to form a cross-shaped groove. A fixing bolt 9 is arranged in the cross-shaped groove. A positioning wheel 2 is rotatably arranged on the fixing bolt 9, and the outer surface of the positioning wheel 2 is in rolling contact with the outer surface of the lower die base 7.

[0026] Both the longitudinal groove 11 and the transverse groove 12 are in a T-shaped structure, and two fixing nuts are threadedly connected to the fixing bolt 9. The positioning wheel 2 is pressed between the two fixing nuts, and the positioning wheel 2 is rotatably arranged. The positioning wheel 2 enables the lower die base 7 to be guided during movement, so that it moves along a straight line without position deviation, thereby facilitating subsequent positioning and enabling the lower die base 7 and the upper die base 8 to be directly below the stamping plate 6.

[0027] An installation frame 3 is installed on the outer surface of the base 1 by screws. A hydraulic push rod 4 is installed on the installation frame 3. A contact plate 41 is arranged on the push rod of the hydraulic push rod 4. The contact plate 41 contacts the outer surface of the lower die base 7. The hydraulic push rod 4 can be installed on the left side and the front side of the base 1 as required, so that the lower die base 7 and the upper die base 8 can move back and forth and left and right above the base 1, and can quickly make the lower die base 7 directly below the stamping plate 6 and quickly position it;

[0028] The installation frame 3 is in an L-shaped structure, and a support plate 31 is also arranged on the installation frame 3. An arc surface is arranged on the support plate 31, which can support the hydraulic push rod 4, thereby facilitating the installation of the hydraulic push rod 4.

[0029] The positioning strip 61 is located on the right side of the middle below the stamping plate 6. The positioning block 81 is in an L-shaped structure, and the right side of the positioning block 81 is on the left side of the middle below the stamping plate 6. The rear side of the front part of the positioning block 81 is on the front side of the middle below the stamping plate 6. When the positioning block 81 is completely attached to the positioning strip 61, the upper die base 8 is at the center directly below the stamping plate 6. When installing the upper die base 8 and the lower die base 7, place the upper die base 8 above the base 1 at the front left side, so that the positioning block 81 is in the front left of the positioning strip 61. Then move the upper die base 8 to the right so that the right side surface of the positioning block 81 contacts the left side surface of the positioning strip 61, and then move the upper die base 8 backward so that the front side of the positioning strip 61 contacts the rear side of the front end of the positioning block 81. At this time, the upper die base 8 is at the center directly below the stamping plate 6.

[0030] A plugging groove one 62 matching the position, structure and size of the positioning block 81 is formed on the lower end surface of the stamping plate 6. A plugging groove two 82 matching the position, structure and size of the positioning strip 61 is arranged above the upper die base 8. After the installation of the upper die base 8 and the lower die base 7 is completed, the stamping plate 6 continues to move downward, so that the positioning strip 61 is plugged into the plugging groove two 82 and the positioning block 81 is plugged into the plugging groove one 62. At this time, the lower surface of the stamping plate 6 is attached to the upper surface of the upper die base 8, which is convenient for subsequent connection and fixation.

[0031] A plurality of uniformly distributed countersunk screw holes are formed on the upper end surface of the stamping plate 6, and the countersunk screw holes extend downward into the upper die base 8. The stamping plate 6 is fixed to the upper die base 8 through countersunk bolts, which is convenient for the quick installation and disassembly of the upper die base 8.

[0032] The implementation principle of a positioning device for a stamping die in the embodiment of the present application is as follows: during actual use, the stamping plate 6 is connected to the stamping head of the stamping machine. The upper die base 8 is placed on the lower die base 7 in a superimposed manner, and the lower die base 7 is placed above the base 1, and the lower die base 7 is placed at the upper left front side of the base 1, that is, the positioning block 81 is at the left front of the positioning strip 61. Move the stamping plate 6 downward so that the positioning strip 61 is close to the upper end surface of the upper die set and there is a distance of 1-3 mm between them and they do not touch. Two fixing bolts 9 are arranged on both the front and rear sides of the longitudinal groove 11, and two fixing nuts are screwed on the fixing bolts 9. A positioning wheel 2 is arranged between the two fixing nuts, and the positioning wheel 2 is in contact with the outer surface of the lower die base 7. Then, the mounting frame 3 with the hydraulic push rod 4 is fixed on the left side of the base 1, and the lower die base 7 is moved to the right by the hydraulic push rod 4 until the right side surface of the positioning block 81 contacts the left side surface of the positioning strip 61. Then, the mounting frame 3 with the hydraulic push rod 4 is fixed on the front side of the base 1. Two fixing bolts 9 and positioning wheels 2 are arranged on both the left and right sides of the transverse groove 12, and the fixing bolts 9 and positioning wheels 2 on the longitudinal groove 11 are removed, and the lower die base 7 is moved backward by the hydraulic push rod 4 so that the front side of the positioning strip 61 contacts the rear side of the front end of the positioning block 81. At this time, the whole die is at the center directly below the stamping plate 6. Move the stamping plate 6 downward so that the positioning block 81 is placed in the plugging groove one 62 and the positioning strip 61 is placed in the plugging groove two 82, and the upper die base 8 is connected to the stamping plate 6 through countersunk bolts. Then, two fixing bolts 9 are arranged in front of and behind both longitudinal grooves 11 and are abutted against the outer surface of the lower die base 7 through the positioning wheels 2. At this time, the positioning and installation of the whole die can be completed, and the hydraulic push rod 4 can be disassembled as needed, which is convenient for subsequent stamping.

[0033] By arranging a positioning block 81 with an L-shaped structure above the upper die base 8 and a positioning strip 61 below the stamping plate 6, the positioning block 81 can contact the positioning strip 61 during the movement process, so that the position of the upper die base 8 can be quickly determined, and the whole die is at the center of the required installation.

[0034] By arranging a transverse groove 12 and a longitudinal groove 11 on the base 1, and correspondingly arranging corresponding positioning wheels 2 at corresponding positions therein as required, and cooperating with the arranged hydraulic push rod 4, it can enable the mold to move along a specified path, and thus can quickly position the overall mold, improving the positioning efficiency.

[0035] The above-mentioned embodiments are only the preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A positioning device for a stamping die, comprising a base (1), wherein guide columns (5) are respectively installed at four corners above the base (1), and a stamping plate (6) is slidably arranged on the guide columns (5) up and down, characterized in that: A lower die seat (7) is arranged above the base (1), an upper die seat (8) is arranged above the lower die seat (7), a positioning block (81) is arranged above the upper die seat (8), and a positioning strip (61) is arranged below the stamping plate (6); The upper end surface of the base (1) is provided with a longitudinal groove (11) and a transverse groove (12) in the longitudinal and transverse directions respectively, and the longitudinal groove (11) and the transverse groove (12) are connected to form a well-shaped groove, a fixing bolt (9) is arranged in the well-shaped groove, a positioning wheel (2) is rotatably arranged on the fixing bolt (9), and the outer ring surface of the positioning wheel (2) is in rolling contact with the outer ring surface of the lower mold base (7).

2. A positioning device for a stamping die as claimed in claim 1, characterized in that: The longitudinal groove (11) and the transverse groove (12) are both T-shaped structures, and two fixing nuts are threadedly connected to the fixing bolt (9), the positioning wheel (2) is pressed between the two fixing nuts, and the positioning wheel (2) is rotatably arranged.

3. A positioning device for a stamping die according to claim 1, characterized in that: A mounting frame (3) is mounted on the outer surface of the base (1) by means of screws, a hydraulic push rod (4) is mounted on the mounting frame (3), a push rod of the hydraulic push rod (4) is provided with an abutment plate (41), and the abutment plate (41) is in contact with the outer surface of the lower die seat (7); The mounting frame (3) is in an L-shaped structure, and a support plate (31) is also provided on the mounting frame (3), and an arc-shaped surface is provided on the support plate (31).

4. A positioning device for a stamping die as claimed in claim 1, characterized in that: The positioning strip (61) is located at the right side of the middle below the stamping plate (6); the positioning block (81) is in an L-shaped structure; the right side of the positioning block (81) is located at the left side of the middle below the stamping plate (6); the front and rear side of the positioning block (81) is located at the front side of the middle below the stamping plate (6); when the positioning block (81) and the positioning strip (61) are completely fitted together, the upper die seat (8) is located at the center directly below the stamping plate (6).

5. A positioning device for a stamping die as claimed in claim 4, characterized in that: The lower end surface of the punching plate (6) is provided with a first plug-in groove (62) matching the position, structure and size of the positioning block (81), and the upper surface of the upper die seat (8) is provided with a second plug-in groove (82) matching the position, structure and size of the positioning strip (61).

6. A positioning device for a stamping die as claimed in claim 1, characterized in that: The upper end surface of the punching plate (6) is provided with a plurality of evenly distributed countersunk screw holes, and the countersunk screw holes extend downward into the upper die seat (8), and the punching plate (6) is fixed to the upper die seat (8) by countersunk bolts.

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