Connecting structure of mold and mold base

Abstract

The utility model discloses a connecting structure of a mould and a mould seat, which comprises a vertical long bolt and a claw-shaped pressing block, the mould seat is provided with a strip-shaped mounting groove, the vertical long bolt penetrates through the claw-shaped pressing block, a bolt head of the vertical long bolt is matched in the strip-shaped mounting groove, a nut matched with the vertical long bolt for use is pressed on the claw-shaped pressing block, and the claw-shaped pressing block is connected with the vertical long bolt. The claw-shaped pressing block presses the die on the die base, a tensioning assembly is arranged at the tail of the claw-shaped pressing block, and the tensioning assembly comprises an annular part arranged on the vertical long bolt in a sleeving mode and a horizontal flange bolt pulling the annular part to move backwards. During installation, the nut on the vertical long bolt and the horizontal flange bolt are repeatedly tightened, the claw-shaped pressing block is transversely pressed on the vertical long bolt by the horizontal flange bolt while the claw-shaped pressing block is directionally pressed by the vertical long bolt and the nut, so that the claw-shaped pressing block is stabilized on the die seat and is not easy to displace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the stamping field, concretely relates to die on punch press. BACKGROUND

[0002] Punch press, including punch, the die located punch below. The die is fixed on the die holder, in order to facilitate the replacement of different dies, to adapt to the processing of different products, die and die holder detachable connection. However, the detachable connection has the possibility of unstable die fixation. CONTENT

[0003] The utility model solves the technical problem: under the premise of detachable connection, how to fix the die on the die holder.

[0004] In order to solve the above technical problem, the utility model provides the following technical scheme: a kind of connecting structure of die and die holder, including vertical long bolt and claw-shaped pressing block, die holder is equipped with strip-shaped installation slot, the section of strip-shaped installation slot is in the shape of convex, claw-shaped pressing block is equipped with vertical connection hole, vertical long bolt passes through the vertical connection hole, the bolt head of vertical long bolt is fitted in the strip-shaped installation slot, and the nut used in conjunction with vertical long bolt is pressed on claw-shaped pressing block, the front end of claw-shaped pressing block is pressed on die holder, the tail of claw-shaped pressing block is equipped with horizontal through hole, and tensioning assembly passes through the horizontal through hole, and tensioning assembly includes annular portion that is sleeved on vertical long bolt, and horizontal flange bolt that pulls annular portion to shift rearward.

[0005] When die is installed on die holder, the bolt head of vertical long bolt is fitted in strip-shaped installation slot, the vertical connection hole of claw-shaped pressing block is fitted with vertical long bolt, vertical long bolt protrudes upward claw-shaped pressing block, and the protruding part is screwed with nut. The front end of claw-shaped pressing block is pressed on the edge of die, and the tail end of claw-shaped pressing block is pressed on die holder. Worker starts to tighten nut, and when not completely tightened, the horizontal flange bolt is twisted, the horizontal flange bolt pulls annular portion to shift rearward, annular portion pulls vertical long bolt to shift rearward, and claw-shaped pressing block is forced to move forward. Worker again tightens the nut on vertical long bolt, and then tightens the horizontal flange bolt, so that the nut and flange bolt are repeatedly tightened until completely tightened.

[0006] The vertical long bolt and nut of the utility model press claw-shaped pressing block in the up-down direction at the same time, and the horizontal flange bolt presses claw-shaped pressing block transversely on vertical long bolt, so that claw-shaped pressing block is stable on die holder and is not easy to shift. Among them, the horizontal flange bolt can drive claw-shaped pressing block to move forward, so that the head of claw-shaped pressing block is inclined downward and presses die.

[0007] The tail of the claw-shaped pressing block is bent downward, and the tail end of the tail of the claw-shaped pressing block is pressed against the mold base. The tail of the claw-shaped pressing block is bent downward, and the shape design is beneficial to improving the strength of the claw-shaped pressing block and enabling the claw-shaped pressing block to have the ability to bear a larger pressure.

[0008] The claw-shaped pressing block is provided with a front groove, a middle groove and a rear end groove from front to back, the front groove and the rear end groove are located above the claw-shaped pressing block, the middle groove is located below the claw-shaped pressing block, the middle groove is in communication with the vertical connecting hole in a top-to-bottom mode, the rear end groove is in communication with the middle groove through the horizontal through hole, the annular part of the tensioning assembly is located in the middle groove, and the horizontal flange bolt is located in the rear end groove.

[0009] The annular part is provided with a connecting end portion, the connecting end portion is provided with an internal threaded hole, the horizontal flange bolt is sleeved with a limiting sleeve, the limiting sleeve is pressed against the side wall adjacent to the rear end groove and the middle groove, and the internal threaded hole is screwed with the horizontal flange bolt. The worker twists the horizontal flange bolt, since the flange of the horizontal flange bolt abuts against the limiting sleeve, the horizontal flange bolt pulls the connecting end portion, and then pulls the annular part, the annular part pulls the vertical long bolt, and the claw-shaped pressing block is forced to move forward.

[0010] The front end bottom of the claw-shaped pressing block is provided with a sawtooth structure, and the sawtooth structure is pressed on the mold. The tooth groove of the sawtooth structure is buckled on the edge of the mold, and as the front end of the claw-shaped pressing block rotates downward, the sawtooth structure is pressed on the edge of the mold.

[0011] The two strip-shaped installation grooves are cross-shaped on the mold base, and the claw-shaped pressing block and the matched vertical long bolt are displaced along the strip-shaped installation grooves and can be moved closer to or away from the cross center to adapt to molds of different sizes.

[0012] The utility model discloses under the premise of detachable connection, and the mold is stabilized on the mold base. ACCURACY OF DRAWINGS

[0013] The utility model will be further explained in connection with the drawings:

[0014] Figure 1 It is a schematic view of the mold installed on the mold base;

[0015] Figure 2 It is Figure 1 It is a middle A view;

[0016] Figure 3 It is a schematic view of the combined structure of the claw-shaped pressing block 20 and the vertical long bolt 10;

[0017] Figure 4 It is Figure 3 It is a schematic view of the combined structure of the claw-shaped pressing block 20 and the vertical long bolt 10 from below;

[0018] Figure 5 It is Figure 3Exploded view.

[0019] Explanation of symbols in the diagram:

[0020] 10. Vertical long bolt; 11. Bolt head; 12. Nut;

[0021] 20. Claw-shaped pressure block; 21. Vertical connecting hole; 22. Horizontal through hole; 23. Tail end of the claw-shaped pressure block; 24. Front groove; 25. Middle groove; 26. Rear groove; 27. Serrated structure;

[0022] 30. Mold base; 31. Strip mounting groove;

[0023] 40. Mold;

[0024] 51. Annular part; 52. Connecting end; 520. Internal threaded hole; 53. Horizontal flange bolt; 54. Limiting sleeve. Detailed Implementation

[0025] Combination Figure 1 , Figure 3 , Figure 5 A connection structure between a mold and a mold base includes a vertical long bolt 10 and a claw-shaped pressure block 20. The mold base 30 is provided with a strip-shaped mounting groove 31, the cross-section of which is convex. The claw-shaped pressure block is provided with a vertical connecting hole 21, through which the vertical long bolt passes. The bolt head 11 of the vertical long bolt is fitted in the strip-shaped mounting groove. A nut 12, which is used in conjunction with the vertical long bolt, is pressed onto the claw-shaped pressure block. The front end of the claw-shaped pressure block presses the mold 40 onto the mold base. The tail end of the claw-shaped pressure block is provided with a horizontal through hole 22, through which a tensioning assembly passes. The tensioning assembly includes an annular portion 51 sleeved on the vertical long bolt and a horizontal flange bolt 53 that pulls the annular portion backward.

[0026] The tail of the claw-shaped pressure block 20 bends downward, and the tail end 23 of the claw-shaped pressure block presses against the mold base 30.

[0027] Combination Figure 3 , Figure 4 The claw-shaped pressure block 20 is provided with a front groove 24, a middle groove 25 and a rear groove 26 from front to back. The front groove and the rear groove are located above the claw-shaped pressure block, and the middle groove is located below the claw-shaped pressure block. The middle groove is connected vertically to the vertical connecting hole 21. The rear groove is connected to the middle groove through the horizontal through hole 22. The annular part 51 of the tensioning assembly is located in the middle groove, and the horizontal flange bolt 53 is located in the rear groove.

[0028] Combination Figures 3 to 5The annular part is provided with a connecting end 52, the connecting end is provided with an inner threaded hole 520, the horizontal flange bolt sleeve 53 is provided with a limiting sleeve 54, the limiting sleeve is pressed on the side wall adjacent to the middle groove 25 of the rear end groove 26, and the inner threaded hole is screwed with the horizontal flange bolt.

[0029] The front end bottom of the claw-shaped pressing block 20 is provided with a sawtooth structure 27, and the sawtooth structure is pressed on the mold 40.

[0030] As Figure 1 The strip-shaped mounting grooves 31 are two in total and cross each other on the mold seat 30.

[0031] When the mold 40 is mounted on the mold seat 30, the bolt head 11 of the vertical long bolt is fitted in the strip-shaped mounting groove 31, the vertical connecting hole 21 of the claw-shaped pressing block 20 is fitted with the vertical long bolt 10, the vertical long bolt protrudes upward from the claw-shaped pressing block 20, and the protruding part is screwed with the nut 12. The front end of the claw-shaped pressing block is pressed on the edge of the mold 40, and the tail end of the claw-shaped pressing block is pressed on the mold seat 30. The worker starts to tighten the nut 12, and when it is not completely tightened, the horizontal flange bolt 53 is tightened, the horizontal flange bolt pulls the annular part 51 to move backward, the annular part pulls the vertical long bolt 10 to move backward, and the claw-shaped pressing block 20 is forced to move forward. The worker tightens the nut 12 on the vertical long bolt a little more, and then tightens the horizontal flange bolt 53 a little more, and so on, until the nut 12 and the horizontal flange bolt 53 are completely tightened.

[0032] The above is only the preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific embodiment and application range can be changed, and the content of the specification should not be understood as the limitation of the present application.

Claims

1. A connection structure between a mold and a mold base, comprising a vertical long bolt (10) and a claw-shaped pressure block (20), wherein the mold base (30) is provided with a strip-shaped mounting groove (31), the cross-section of the strip-shaped mounting groove is convex, the claw-shaped pressure block is provided with a vertical connecting hole (21), the vertical long bolt passes through the vertical connecting hole, the bolt head (11) of the vertical long bolt is fitted in the strip-shaped mounting groove, a nut (12) used in conjunction with the vertical long bolt is pressed onto the claw-shaped pressure block, and the front end of the claw-shaped pressure block presses the mold (40) onto the mold base, characterized in that: The tail of the claw-shaped pressure block is provided with a horizontal through hole (22), and the tensioning assembly passes through the horizontal through hole. The tensioning assembly includes an annular portion (51) sleeved on a vertical long bolt, and a horizontal flange bolt (53) that pulls the annular portion to move backward.

2. The connection structure between the mold and the mold base as described in claim 1, characterized in that: The tail of the claw-shaped pressure block (20) bends downward, and the tail end (23) of the claw-shaped pressure block presses against the mold base (30).

3. The connection structure between the mold and the mold base as described in claim 1, characterized in that: The claw-shaped pressure block (20) is provided with a front groove (24), a middle groove (25) and a rear groove (26) from front to back. The front groove and the rear groove are located above the claw-shaped pressure block, and the middle groove is located below the claw-shaped pressure block. The middle groove is connected to the vertical connecting hole (21) vertically. The rear groove is connected to the middle groove through the horizontal through hole (22). The annular part (51) of the tensioning assembly is located in the middle groove, and the horizontal flange bolt (53) is located in the rear groove.

4. The connection structure between the mold and the mold base as described in claim 2, characterized in that: The annular portion (51) is provided with a connecting end (52), the connecting end is provided with an internal threaded hole (520), the horizontal flange bolt (53) is fitted with a limiting sleeve (54), the limiting sleeve presses against the side wall adjacent to the rear end groove (26) and the middle groove (25), and the internal threaded hole is screwed to the horizontal flange bolt.

5. The connection structure between the mold and the mold base as described in claim 1, characterized in that: The front end of the claw-shaped pressure block (20) is provided with a serrated structure (27), which presses against the mold (40).

6. The connection structure between the mold and the mold base as described in claim 1, characterized in that: There are two strip mounting slots (31), which intersect in a cross shape on the mold base (30).

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