Upper die connecting structure facilitating adjustment of distance between upper die and lower die
By designing an upper mold connection structure including a machine tool connection plate and an upper mold connection plate, the combination of oil cylinder and wedge blocks is used to solve the problem of difficult adjustment and poor stability of cold heading machine molds, and the effect of rapid adjustment and improvement of finished product quality is achieved.
Patent Information
- Application Number
- CN202421748415.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-23
AI Technical Summary
The up and down adjustment structure of existing cold heading machine molds has problems such as difficult operation and loose double-head bolts resulting in mold shake, which affects the quality of the finished product.
An upper mold connection structure including a machine tool connection plate and an upper mold connection plate is designed. The machine tool connection plate and the upper mold connection plate are connected through four oil cylinders, and an upper wedge and a lower wedge are arranged between the two. The distance is adjusted by using the extension and retraction of the oil cylinder, and the rotating handle drives the wedge to engage to increase stability.
The distance between the upper and lower dies is quickly adjusted, which increases the stability during the stamping process, reduces the risk of mold shaking, and improves the quality of the finished product.
Smart Images
Figure CN222830629U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of punch die equipment, and in particular relates to an upper die connection structure which is convenient for adjusting the distance between upper and lower dies. Background Art
[0002] The existing cold heading machine mold is adjusted up and down by a stud bolt, one end of which is threadedly connected to the adjustment pressure plate, and the other end passes through the through hole of the upper and lower adjustment fixing plate, and then nuts are tightened on both sides of the through hole; when adjusting, the up and down adjustment is achieved by twisting the nuts on both sides. The defects of the adjustment structure of the existing technology are as follows:
[0003] 1. The space for the nut below is small, making it difficult to adjust the mold;
[0004] 2. When a multi-station cold heading machine manufactures products, it extrude materials into shape through a die. Therefore, the die is subjected to forces in all directions during this process. The stud bolts and the pressure plate are connected by threads. Therefore, after a long period of operation, the stud bolts will become loose, causing the die to shake up and down, resulting in finished product waste.
[0005] Therefore, it is necessary to develop a device for adjusting the mold up and down to solve the above problems. Summary of the invention
[0006] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an upper die connection structure which is convenient for adjusting the distance between the upper and lower dies.
[0007] The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions: an upper mold connecting structure that is convenient for adjusting the spacing between the upper and lower molds, comprising a machine tool connecting plate and an upper mold connecting plate, the machine tool connecting plate is arranged on the upper side of the upper mold connecting plate, a pin rod is arranged at the four corners of the machine tool connecting plate, the pin rod passes through the machine tool connecting plate and extends to the lower surface, an oil cylinder is arranged at the four corners of the lower surface of the upper mold connecting plate, the positions of the four oil cylinders are aligned with the positions of the four pin rods, the protruding ends of the oil cylinders pass through the upper mold connecting plate and are threadedly connected to the corresponding lower ends of the pin rods, an upper wedge block is arranged on the lower surface of the machine tool connecting plate, a lower wedge block is arranged on the upper surface of the upper mold connecting plate, the upper wedge block and the lower wedge block cooperate with each other, and a support plate is arranged at the rear end of the upper mold connecting plate, a rotating handle is threadedly connected to the support plate, and the front end of the rotating handle is rotatably connected to the rear end of the lower wedge block.
[0008] Preferably, the upper surface of the upper mold connecting plate is provided with a limit strip for limiting the left and right positions of the lower wedge block.
[0009] Preferably, a recessed mounting position is provided at each of the four corners of the lower surface of the upper mold connecting plate, and the oil cylinder is installed in the recessed mounting position.
[0010] Preferably, a plurality of T-shaped grooves are provided on the four edges of the upper surface of the machine tool connecting plate.
[0011] The utility model has the beneficial effects of connecting the machine tool connecting plate and the upper die connecting plate through four oil cylinders, and arranging the upper wedge block and the lower wedge block between the machine tool connecting plate and the upper die connecting plate, and utilizing the extension and retraction of the oil cylinder to adjust the spacing between the upper die connecting plate and the machine tool connecting plate, thereby being able to quickly adjust the distance between the upper die connected to the upper die connecting plate and the upper and lower die of the machine tool base; rotating the rotating handle to drive the lower wedge block to engage with the upper wedge block, which can play a supporting role between the upper die connecting plate and the machine tool connecting plate, thereby increasing the area subjected to force during the stamping process and increasing the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is a structural schematic diagram of the upper die connecting plate of the utility model;
[0014] Figure 3 The utility model is a structural schematic diagram of the upper wedge block and the lower wedge block.
[0015] In the figure: 1. Machine tool connecting plate; 2. Upper mold connecting plate; 3. Pin rod; 4. Cylinder; 5. Upper wedge block; 6. Lower wedge block; 7. Support plate; 8. Rotating handle; 9. Limit strip; 10. Recessed mounting position; 11. T-shaped groove. DETAILED DESCRIPTION
[0016] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.
[0017] Embodiment: An upper mold connection structure that is convenient for adjusting the distance between the upper and lower molds, such as Figure 1-Figure 3As shown, it includes a machine tool connecting plate 1 and an upper mold connecting plate 2, the machine tool connecting plate 1 is arranged on the upper side of the upper mold connecting plate 2, and is characterized in that: a pin rod 3 is provided at the four corners of the machine tool connecting plate 1, and the pin rod 3 passes through the machine tool connecting plate 1 and extends to the lower surface, and an oil cylinder 4 is provided at the four corners of the lower surface of the upper mold connecting plate 2, and the positions of the four oil cylinders 4 are aligned with the positions of the four pin rods 3, and the protruding ends of the oil cylinders 4 pass through the upper mold connecting plate 2 and are threadedly connected to the corresponding lower ends of the pin rods 3, an upper wedge block 5 is provided on the lower surface of the machine tool connecting plate 1, and a lower wedge block 6 is provided on the upper surface of the upper mold connecting plate 2, and the upper wedge block 5 and the lower wedge block 6 cooperate with each other, and a support plate 7 is provided at the rear end of the upper mold connecting plate 2, and a rotating handle 8 is threadedly connected to the support plate 7, and the front end of the rotating handle 8 is rotatably connected to the rear end of the lower wedge block 6.
[0018] The upper surface of the upper die connecting plate 2 is provided with a limiting strip 9 for limiting the left and right positions of the lower wedge block 6 .
[0019] A recessed mounting position 10 is provided at each of the four corners of the lower surface of the upper mold connecting plate 2 , and the oil cylinder 4 is installed in the recessed mounting position 10 .
[0020] A plurality of T-shaped grooves 11 are provided on the four edges of the upper surface of the machine tool connecting plate 1 .
[0021] The principle of the utility model is as follows: the machine tool connecting plate 1 and the upper die connecting plate 2 are connected by four oil cylinders 4, and an upper wedge block 5 and a lower wedge block 6 are arranged between the machine tool connecting plate 1 and the upper die connecting plate 2. The distance between the upper die connecting plate 2 and the machine tool connecting plate 1 can be adjusted by extending and retracting the oil cylinder 4, so that the distance between the upper die connected to the upper die connecting plate 2 and the upper and lower dies of the machine tool base can be quickly adjusted. After the distance adjustment is completed, the rotating handle 8 is rotated to drive the lower wedge block 6 to engage with the upper wedge block 5, which can play a supporting role between the upper die connecting plate 2 and the machine tool connecting plate 1, increase the area subjected to force during the stamping process, and increase the overall stability. The upper die connecting structure is connected to the T-shaped groove 11 through bolts and nuts to be connected to the punch press.
[0022] Finally, it should be pointed out that the above embodiments are only representative examples of the present utility model. Obviously, the present utility model is not limited to the above embodiments, and there are many variations. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model should be considered to belong to the protection scope of the present utility model.
Claims
1. An upper die connection structure that facilitates adjustment of the distance between upper and lower dies, comprising a machine tool connection plate (1) and an upper die connection plate (2), wherein the machine tool connection plate (1) is arranged on the upper side of the upper die connection plate (2), and is characterized in that: A pin rod (3) is provided at each of the four corners of the machine tool connecting plate (1), and the pin rod (3) passes through the machine tool connecting plate (1) and extends to the lower surface. A cylinder (4) is provided at each of the four corners of the lower surface of the upper mold connecting plate (2), and the positions of the four cylinders (4) are aligned with the positions of the four pin rods (3). The protruding ends of the cylinders (4) pass through the upper mold connecting plate (2) and are threadedly connected to the lower ends of the corresponding pin rods (3). An upper wedge block (5) is provided on the lower surface of the machine tool connecting plate (1), and a lower wedge block (6) is provided on the upper surface of the upper mold connecting plate (2). The upper wedge block (5) and the lower wedge block (6) cooperate with each other. A support plate (7) is provided at the rear end of the upper mold connecting plate (2), and a rotating handle (8) is threadedly connected to the support plate (7), and the front end of the rotating handle (8) is rotatably connected to the rear end of the lower wedge block (6).
2. The upper mold connection structure for facilitating adjustment of the upper and lower mold spacing according to claim 1 is characterized in that: The upper surface of the upper die connecting plate (2) is provided with a limiting strip (9) for limiting the left and right positions of the lower wedge block (6).
3. The upper mold connection structure for facilitating adjustment of the upper and lower mold spacing according to claim 1 is characterized in that: A recessed mounting position (10) is provided at each of the four corners of the lower surface of the upper die connecting plate (2), and the oil cylinder (4) is installed in the recessed mounting position (10).
4. The upper mold connection structure for facilitating adjustment of the distance between the upper and lower molds according to claim 1 is characterized in that: A plurality of T-shaped grooves (11) are provided on the four edges of the upper surface of the machine tool connecting plate (1).