Adjustable oil press die fixing device

Abstract

The utility model relates to the technical field of die fixing, in particular to an adjustable oil press die fixing device which comprises an I-shaped moving block. The limiting block is arranged at the top of the I-shaped moving block; the screw rod is fixed at the top of the limiting block; the wedge block is arranged on the screw rod in a sleeving manner; the screw rod is sleeved with the nut in a threaded mode; the hexagonal limiting sleeve is arranged outside the nut in a sleeving manner; clamping grooves are formed in the two sides of the I-shaped moving block, one end of the U-shaped limiting rod is clamped in the clamping grooves, and the other end of the U-shaped limiting rod is of an arc-shaped structure to clamp the hexagonal limiting sleeve. According to the device, the I-shaped moving block, the limiting block, the guide rod, the clamping rod and the fixing hole are matched, so that the height of the wedge block is flexibly adjusted to adapt to molds with different heights, the problem that in a traditional wedge block fixing mode, due to mold specification changes, frequent replacement is caused is solved, and the universality and adaptability of the device are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould fixing technical field especially, relates to adjustable oil press mould fixing device. BACKGROUND

[0002] Oil press is a kind of with special hydraulic oil as working medium, through hydraulic pump as power source, utilize liquid pressure transmission power and realize accurate control mechanical equipment, is widely used in metal processing, forging, stamping, forming and other industrial fields, with high efficiency, stability and high precision characteristics, in the practical application of oil press, mould is one of core components, is used to form or stamping operation to material, therefore, the correct installation and fixed of mould are important to ensure the machining precision and product quality.

[0003] At present, the traditional oil press mould fixing mode mainly relies on wedge locking method, utilizes the friction and mechanical locking action between wedge-shaped component and workbench, mould is firmly fixed on the workbench of equipment, this method although simple structure, but in actual use, traditional wedge usually designs for specific size mould, it is difficult to adapt to different height or shape mould, when needing to replace different specifications of mould, often need to replace wedge, leading to cumbersome operation and inefficiency.

[0004] In view of the above problem, the market urgently needs a kind of adjustable oil press mould fixing device. CONTENT OF UTILITY MODEL

[0005] In order to overcome the shortcomings of traditional wedge locking method, poor adaptability and cumbersome operation, the utility model provides a kind of adjustable oil press mould fixing device.

[0006] To achieve the above problems, the utility model discloses the following technical scheme: A adjustable oil press mould fixing device, including the I -shaped movable block, the limiting block is set up in the I -shaped movable block top, the screw rod is fixed in the limiting block top, the wedge is set on the screw rod, the nut is screwed on the screw rod, the hexagonal limiting sleeve is set up in the nut outside, the U -shaped limiting rod, the I -shaped movable block both sides are all set up with the clamping slot, the U -shaped limiting rod one end is connected in the clamping slot, and the other end is the arc structure and is pressed in the hexagonal limiting sleeve, the fixed rod, the U -shaped limiting rod one end is set up with the round groove, and the limiting block corresponding position also sets up with same round groove, and the fixed rod is passed in the round groove on the U -shaped limiting rod and the limiting block, the guide rod, the guide rod is fixedly connected in the limiting block bottom, the guide rod is equipped with a plurality of fixed holes along the axial direction, in addition, the I -shaped movable block inside is equipped with the circular guide groove structure that can accommodate the guide rod activity, and the guide rod slides along the circular guide groove structure, the clamping rod, the I -shaped movable block front side is set up with the round hole, the clamping rod is passed in this round hole, and the rear end is pressed into the fixed hole on the guide rod.

[0007] As a preferred technical scheme of the utility model, still include the limiting frame, the limiting frame is located in the I -shaped movable block front side, the threaded press bar is screwed in the limiting frame middle position.

[0008] As a preferred technical scheme of the utility model, still include the connecting rod, the connecting rod both ends are fixedly connected with a clamping rod respectively.

[0009] As a preferred technical scheme of the utility model, still include L type pressure block, the L type pressure block is fixedly connected in the limiting frame lower part.

[0010] As a preferred technical scheme of the utility model, still include the guide block, the guide block is fixed in the limiting block bottom, and the I -shaped movable block inside is equipped with the square guide groove structure that can accommodate the guide block activity, and the guide block slides along the square guide groove structure.

[0011] As a preferred technical scheme of the utility model, still include the gasket, the gasket is set on the screw rod, and is located between the nut and the wedge.

[0012] Compared with the prior art, the utility model has the following technical effects: 1, the device passes through the I -shaped movable block, the limiting block, the guide rod, the clamping rod and the fixed hole cooperation, realizes the flexible adjustment of wedge height, adapts to the mould of different height, avoids the problem of frequent replacement in the traditional wedge fixed mode because of the change of mould specification, and significantly improves the versatility and adaptability of the device.

[0013] 2、The device through the addition of hexagonal limit set, limit frame and L type pressing block and other multiple fixed measures, ensure the stability and safety of the mold in the whole processing process, effectively avoid the security risks caused by mold loose or offset, protect the personal safety of the operator and the normal operation of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a three-dimensional sectional structure schematic view of the utility model I-shaped moving block, limit block and wedge.

[0016] Figure 3 It is a three-dimensional sectional structure schematic view of the utility model U-shaped limit rod, hexagonal limit set and fixed rod.

[0017] Figure 4 It is a three-dimensional structure schematic view of the utility model limit frame, screw rod and L type pressing block.

[0018] Figure 5 It is a three-dimensional structure schematic view of the utility model connecting rod and L type pressing block.

[0019] Figure 6 It is a three-dimensional sectional structure schematic view of the utility model I-shaped moving block, guide rod and clamping rod.

[0020] Figure 7 It is an assembly drawing of the utility model.

[0021] Marked as: 1-I-shaped moving block, 2-limit block, 3-wedge, 4-screw rod, 5-nut, 6-U-shaped limit rod, 7-hexagonal limit set, 8-fixed rod, 9-limit frame, 10-threaded pressing rod, 11-connecting rod, 12-L type pressing block, 13-guide rod, 14-clamping rod, 15-fixing hole, 16-guide block, 17-gasket. DETAILED DESCRIPTION

[0022] The utility model will be further described in detail below in combination with the drawings and specific embodiments, but it does not limit the protection scope and application scope of the utility model.

[0023] Example 1: please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 And Figure 7The utility model provides an adjustable oil pressure machine mould fixing device, including I -shaped moving block 1, limiting block 2 is set in I -shaped moving block 1 top, screw rod 4 is fixed in limiting block 2 top, wedge block 3 is set on screw rod 4, is used for pressing mould edge, nut 5 is screwed on screw rod 4, and nut 5 is tightened and pushes down wedge block 3 to move to realize the locking to mould, gasket 17 is set on screw rod 4 and is located between nut 5 and wedge block 3, in the process of tightening nut 5, gasket 17 can evenly disperse the pressure of nut 5, avoids the deformation or damage of pressing plate due to local excessive force, hexagonal limiting sleeve 7 is set on the outside of nut 5, prevents nut 5 from loosening in the process of use by limiting nut 5, U -shaped limiting rod 6, I -shaped moving block 1 both sides are provided with clamping slot, one end of U -shaped limiting rod 6 is clamped in clamping slot, and the other end is arc structure and clamps hexagonal limiting sleeve 7, ensures the stability of hexagonal limiting sleeve 7, fixed rod 8, one end of U -shaped limiting rod 6 is provided with round groove, the corresponding position of limiting block 2 is also provided with same round groove, and fixed rod 8 is threaded in the round groove on U -shaped limiting rod 6 and limiting block 2 to realize the fixation of U -shaped limiting rod 6, guide rod 13 is fixedly connected at the bottom of limiting block 2, and six fixed holes 15 are arranged on the guide rod 13 along the axial direction, in addition, I -shaped moving block 1 is internally provided with circular guide groove structure that can accommodate the activity of guide rod 13, guide rod 13 slides up and down along the circular guide groove structure, realizes height adjustment function, clamping rod 14, the front side of I -shaped moving block 1 is provided with round hole, clamping rod 14 is threaded in the round hole, and the rear end is clamped into the fixed hole 15 on guide rod 13, realizes the locking of guide rod 13, guide block 16, guide block 16 is fixed at the bottom of limiting block 2, and I -shaped moving block 1 is internally provided with square guide groove structure that can accommodate the activity of guide block 16, guide block 16 slides up and down along the square guide groove structure, thereby providing accurate guide effect for limiting block 2, ensuring that the movement of limiting block 2 is stable and has no deviation.

[0024] When the device is needed to fix the forming mold on the oil press, first, the I-shaped moving block 1 is put into the T-shaped groove of the workbench, and its position is adjusted to fit the edge of the mold. Then, the height of the device is adjusted according to the height of the mold, the clamping rod 14 is pulled out to be separated from the fixing hole 15 on the guide rod 13, the height of the limiting block 2 is adjusted to make the wedge block 3 adapt to the mold of different heights, and then the clamping rod 14 is inserted into the fixing hole 15 on the guide rod 13 again to lock the position of the guide rod 13. After the height adjustment is completed, the mold is fixed. First, the wedge block 3 is sleeved on the screw rod 4, and then the nut 5 is screwed into the screw rod 4. With the rotation of the nut 5, the axial force generated by the screw thread pushes the wedge block 3 to move downward. The wedge block 3 gradually approaches the mold and finally tightly fits the upper surface of the mold. Continue to tighten the nut 5 to make the wedge block 3 apply enough pressure to the edge of the mold, tightly press the mold on the workbench of the oil press, so as to realize the locking of the mold. Then, the hexagonal limiting sleeve 7 is sleeved outside the nut 5 to further prevent the nut 5 from loosening during use. Finally, one end of the U-shaped limiting rod 6 is clamped in the clamping groove of the I-shaped moving block 1, and the other end clamps the hexagonal limiting sleeve 7, so as to ensure that the hexagonal limiting sleeve 7 can effectively limit the rotation loosening of the nut 5.

[0025] Example 2: Based on example 1, please refer to Figure 4 、 Figure 5 and Figure 7 , further comprising a limiting frame 9 arranged on the front side of the I-shaped moving block 1 for preventing the I-shaped moving block 1 from moving forward and backward in the T-shaped groove; a threaded pressing rod 10 threadedly installed in the middle position of the limiting frame 9, which converts the rotary motion into linear motion (i.e. downward pressure) through threaded transmission and fixes the limiting frame 9 by directly acting on the surface of the workbench; a connecting rod 11 having two clamping rods 14 fixedly connected to the left and right ends respectively for simultaneously controlling the actions of the two clamping rods 14; an L-shaped pressing block 12 fixedly connected to the lower part of the limiting frame 9 for pressing the connecting rod 11 to limit the sliding of the clamping rod 14.

[0026] When the fixing of the mold is completed, the following steps are taken to operate the limiting frame 9 and related components to further enhance the stability of the device: place the limiting frame 9 into the T-shaped groove of the workbench, ensure that the rear end of the limiting frame 9 is in close contact with the I-shaped moving block 1, and at the same time, the L-shaped pressing block 12 at the front end of the limiting frame 9 contacts the connecting rod 11, then rotate the threaded pressing rod 10 until the lower end contacts the surface of the workbench, through the pressing action of the threaded pressing rod 10, the limiting frame 9 is firmly fixed on the workbench, thereby avoiding the I-shaped moving block 1 moving forward and backward in the T-shaped groove, after the limiting frame 9 is fixed, the L-shaped pressing block 12 will press the connecting rod 11, since the connecting rod 11 is fixedly connected to two clamping rods 14 at both ends, the fixed state of the connecting rod 11 will directly limit the sliding of the clamping rod 14, ensuring that the clamping rod 14 securely locks the guide rod 13.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable hydraulic press mold fixing device, comprising: I-shaped movable block (1); Limiting block (2), the limiting block (2) is disposed on the top of the I-shaped moving block (1); Screw (4), the screw (4) is fixed to the top of the limiting block (2); Wedge (3), the wedge (3) being sleeved on the screw (4); Nut (5), which is threaded onto the screw (4); A hexagonal limiting sleeve (7) is fitted over the outside of the nut (5); The U-shaped limiting rod (6) has slots on both sides of the I-shaped moving block (1). One end of the U-shaped limiting rod (6) is engaged in the slot, and the other end is an arc structure that clamps the hexagonal limiting sleeve (7). The fixing rod (8) has a circular groove at one end of the U-shaped limiting rod (6) and the limiting block (2) has the same circular groove at the corresponding position. The fixing rod (8) passes through the circular grooves on the U-shaped limiting rod (6) and the limiting block (2). Its features are: The guide rod (13) is fixed to the bottom of the limiting block (2). The guide rod (13) is provided with a plurality of fixing holes (15) along the axial direction. In addition, the I-shaped moving block (1) is provided with a circular guide groove structure that can accommodate the movement of the guide rod (13). The guide rod (13) slides along the circular guide groove structure. The locking rod (14) has a round hole on the front side of the I-shaped moving block (1), and the locking rod (14) passes through the round hole and its rear end is engaged in the fixing hole (15) on the guide rod (13).

2. The adjustable hydraulic press mold fixing device according to claim 1, characterized in that, Also includes: A limiting frame (9) is placed on the front side of the I-shaped moving block (1); A threaded pressure bar (10) is threadedly installed in the middle position of the limiting frame (9).

3. The adjustable hydraulic press mold fixing device according to claim 2, characterized in that, Also includes: A connecting rod (11) is fixedly connected to a locking rod (14) at each end of the connecting rod (11).

4. The adjustable hydraulic press mold fixing device according to claim 3, characterized in that, Also includes: L-shaped pressure block (12), which is fixed to the lower part of the limiting frame (9).

5. The adjustable hydraulic press mold fixing device according to claim 4, characterized in that, Also includes: The guide block (16) is fixed at the bottom of the limiting block (2), and the I-shaped moving block (1) is provided with a square guide groove structure to accommodate the movement of the guide block (16), and the guide block (16) slides along the square guide groove structure.

6. The adjustable hydraulic press mold fixing device according to claim 5, characterized in that, Also includes: A gasket (17) is fitted onto the screw (4) and located between the nut (5) and the wedge (3).

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