Double-clamping type positioning tool for nodular cast iron machining

Abstract

The utility model relates to the technical field of nodular cast iron processing, in particular to a double-clip type positioning tool for nodular cast iron processing, which comprises a clamping positioning bottom plate, a sliding plate is slidably mounted at the top of the clamping positioning bottom plate, and a transmission mechanism is mounted at the joint of the sliding plate and the clamping positioning bottom plate. A clamping mechanism is arranged on the inner side of the sliding plate, and a connecting piece is arranged at the joint of the sliding plate and the clamping mechanism. The clamping mechanism comprises a rotating plate rotationally installed on the connecting piece, a connecting groove is formed in the side portion of the rotating plate, a supporting plate is fixedly arranged in the connecting groove, a clamping plate is connected to one side of the supporting plate, a clamping spring is connected between the clamping plate and the supporting plate, and a clamping screw is in threaded connection with the interior of the supporting plate; and a butt clamping plate is arranged at the top of the rotating plate. The nodular cast iron rod can be pushed on one side of the rotating plate through the clamping plate, so that the nodular cast iron rod is prevented from deviating.

Description

TECHNICAL FIELD

[0001] The utility model relates to nodular cast iron processing technical field especially nodular cast iron processing is with the pair of clamps formula positioning frock. BACKGROUND

[0002] The pair of clamps formula positioning frock can stably and accurately clamp and position the nodular cast iron piece through the specific design structure, thereby ensuring the accuracy and efficiency in the processing.

[0003] As the prior art, the pair of clamps formula positioning frock for nodular cast iron processing is disclosed in the publication No. CN220839778U, which comprises a fixed base plate, a limiting spring connected between the limiting slider and the fixed base plate, when the deflected pair of clamps is deflected upward, the connected limiting frame is moved upward, the upward moving limiting frame moves the blanking frame at the top upward, the limiting slider fixedly connected at the bottom of the blanking frame is moved upward, the limiting spring fixedly connected at the bottom of the limiting slider is stretched, the bottom of the connected blanking frame pushes the nodular cast iron rod placed inside the pair of clamps upward, the bottom of the pair of clamps pushes the nodular cast iron rod upward, and the nodular cast iron rod is limited; when the connected pair of clamps is deflected downward, the baffle fixedly connected at the top of the pair of clamps can effectively prevent the inwardly extruded nodular cast iron rod from falling downward, the top of the pair of clamps limiting assembly is limited, and the falling of the limited nodular cast iron rod is effectively avoided.

[0004] In actual implementation, the above technical solution clamps the nodular cast iron rod through two groups of staggered connecting parts, but when the inward clamping force of the connecting part is large, if the stress on the nodular cast iron rod is too large, that is, the distance between the connecting parts is less than the diameter of the nodular cast iron rod, the nodular cast iron rod is prone to shift. SUMMARY

[0005] The utility model discloses a pair of clamps formula positioning frock for nodular cast iron processing, can push the nodular cast iron rod through the clamping plate at the one side of the rotating plate, thereby avoiding the shift of the nodular cast iron rod, to solve the problem raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a pair of clamps formula positioning frock for nodular cast iron processing, including clamping and positioning bottom plate, the top of clamping and positioning bottom plate is slidably installed with sliding plate, and the connecting place of sliding plate and clamping and positioning bottom plate is installed with transmission mechanism, the inside of sliding plate is provided with clamping mechanism, and the connecting place of sliding plate and clamping mechanism is provided with connecting piece;

[0007] The clamping mechanism comprises a rotating plate rotatably mounted on the connecting piece, a connecting groove is formed in the side of the rotating plate, a supporting plate is fixedly arranged in the connecting groove, a clamping plate is connected to one side of the supporting plate, a clamping spring is connected between the clamping plate and the supporting plate, and a clamping screw rod is threadedly connected in the supporting plate.

[0008] Preferably, a counter-clamping plate is arranged on the top of the rotating plate, and the rotating plate and the counter-clamping plate form a V-shaped structure.

[0009] Preferably, the end of the clamping screw rod is connected to the clamping plate through a bearing, and the clamping screw rod and the clamping plate are perpendicular to each other.

[0010] Preferably, a connecting shaft is arranged between the two groups of rotating plates, and the two groups of rotating plates are rotatably connected through the connecting shaft.

[0011] Preferably, an adapter telescopic rod is arranged below the rotating plate, an adapter spring is arranged outside the adapter telescopic rod, and the two ends of the adapter telescopic rod are respectively connected to the rotating plate and the clamping positioning bottom plate through pins.

[0012] Preferably, the transmission mechanism comprises sliding supports fixed to the front and rear ends of the sliding plate, a bidirectional screw rod is connected to the sliding supports through a screw rod sleeve, a transmission worm wheel is fixedly arranged at the end of the bidirectional screw rod, and a transmission worm is meshingly connected below the transmission worm wheel.

[0013] Preferably, a limiting sliding groove is formed at the connection between the sliding support and the clamping positioning bottom plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By arranging the clamping mechanism, rotating the clamping screw rod can push the clamping plate to move towards the nodular cast iron rod, drive the clamping plate to push the nodular cast iron rod to move in the opposite direction, so as to avoid the nodular cast iron rod from deviating.

[0016] 2. By arranging the transmission mechanism, the transmission worm and the transmission worm wheel can drive the two groups of bidirectional screw rods to rotate, so as to conveniently adjust the position of the sliding plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1The overall structure view of the utility model;

[0019] Figure 2 The structure diagram of the rotating plate of the utility model;

[0020] Figure 3 The structure diagram of the utility model; Figure 1 The enlarged view of A;

[0021] Figure 4 The structure diagram of the support plate of the utility model.

[0022] Mark explanation:

[0023] 1, clamping positioning base plate, 2, transmission mechanism, 201, bidirectional screw rod, 202, transmission worm, 203, transmission worm, 204, sliding support, 3, clamping mechanism, 301, support plate, 302, clamping screw, 303, connecting groove, 304, rotating plate, 305, pair of clamping plates, 306, connecting shaft, 307, clamping spring, 308, clamping plate, 4, sliding plate, 5, connecting piece, 6, link spring, 7, link extension rod. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] The utility model provides a technical scheme:

[0026] Please refer to Figures 1 to 4 A pair of clamping type positioning tool for nodular cast iron machining, including clamping positioning base plate 1, the top of clamping positioning base plate 1 is slidably installed with sliding plate 4, and transmission mechanism 2 is installed at the connecting place of sliding plate 4 and clamping positioning base plate 1, the inner side of sliding plate 4 is provided with clamping mechanism 3, and connecting piece 5 is arranged at the connecting place of sliding plate 4 and clamping mechanism 3.

[0027] Clamping mechanism 3 includes rotating plate 304 that is rotatably installed on connecting piece 5, connecting groove 303 is formed in the side of rotating plate 304, support plate 301 is fixedly arranged in the inside of connecting groove 303, clamping plate 308 is connected to one side of support plate 301, clamping spring 307 is connected between clamping plate 308 and support plate 301, and clamping screw 302 is screw-connected in the inside of support plate 301.

[0028] The top of the rotating plate 304 is provided with a pair of clamping plates 305, and the rotating plate 304 and the pair of clamping plates 305 form a V-shaped structure, the end of the clamping screw 302 is connected with the clamping plate 308 through a bearing, the clamping screw 302 and the clamping plate 308 are perpendicular to each other, a connecting shaft 306 is arranged between the two groups of rotating plates 304, and the two groups of rotating plates 304 are rotationally connected through the connecting shaft 306.

[0029] By adopting the above technical scheme, after the ductile iron rod is placed between the two pairs of clamping plates 305, under the action of the transmission mechanism 2, the two groups of rotating plates 304 can be pushed to rotate, so as to clamp the ductile iron rod located between the two pairs of clamping plates 305. When the clamping force of the two pairs of clamping plates 305 is large, once the ductile iron rod deviates away from the pair of clamping plates 305, the clamping screw 302 can be rotated, the clamping screw 302 pushes the clamping plate 308 to move towards the ductile iron rod, and the clamping plate 308 can be driven to push the ductile iron rod to move reversely through the elastic action of the clamping spring 307, so that the deviation of the ductile iron rod is avoided.

[0030] Specifically, as shown in Figure 1 and Figure 3 The lower portion of the rotating plate 304 is provided with an adapter telescopic rod 7, and the outer portion of the adapter telescopic rod 7 is sleeved with an adapter spring 6, and the two ends of the adapter telescopic rod 7 are respectively connected with the rotating plate 304 and the clamping positioning bottom plate 1 through pins.

[0031] The transmission mechanism 2 comprises sliding supports 204 fixed at the front and rear ends of the sliding plate 4, a bidirectional screw rod 201 is connected in the sliding support 204 through a screw sleeve, a transmission worm wheel 202 is fixedly arranged at the end of the bidirectional screw rod 201, a transmission worm 203 is meshingly connected below the transmission worm wheel 202, and a limiting sliding groove is formed at the connection position of the sliding support 204 and the clamping positioning bottom plate 1.

[0032] By adopting the above technical scheme, when the transmission worm 203 is rotated, the transmission worm wheel 202 can be driven to rotate, the bidirectional screw rod 201 can be driven to rotate through the transmission worm wheel 202, the sliding support 204 can be driven to slide on the top of the clamping positioning bottom plate 1 through the screw sleeve when the bidirectional screw rod 201 is rotated, so as to adjust the distance between the two groups of rotating plates 304, and when the sliding plate 4 moves towards the vertical center line of the clamping positioning bottom plate 1, the rotating plate 304 can be pushed to rotate upwards, and the adapter telescopic rod 7 at the bottom of the rotating plate 304 can be rotated in cooperation with the rotation of the rotating plate 304, so as to conveniently and stably clamp the ductile iron rod placed between the pair of clamping plates 305.

[0033] Working principle: when rotating the transmission worm 203, the transmission worm gear 202 can be driven to rotate, thereby driving the bidirectional screw rod 201 to rotate through the transmission worm gear 202, and when the bidirectional screw rod 201 rotates, the sliding support 204 can be driven to slide on the top of the clamping and positioning bottom plate 1 through the screw rod sleeve, thereby adjusting the distance between the two groups of rotating plates 304, and when the sliding plate 4 moves towards the vertical center line of the clamping and positioning bottom plate 1, the rotating plate 304 can be pushed to rotate upwards, and the connecting telescopic rod 7 at the bottom of the rotating plate 304 is rotated in cooperation with the rotation of the rotating plate 304, thereby stably clamping the ductile iron rod placed between the two groups of clamping plates 305, when the clamping force of the two groups of clamping plates 305 is large, once the ductile iron rod deviates from the clamping plates 305, the clamping screw 302 can be rotated, the clamping screw 302 pushes the clamping plate 308 to move towards the ductile iron rod, and the clamping plate 308 can drive the ductile iron rod to move reversely through the elastic effect of the clamping spring 307, thereby avoiding the deviation of the ductile iron rod.

[0034] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A pair of positioning fixtures for ductile iron machining, comprising a clamping positioning base plate (1), characterized in that: The top of the clamping positioning base plate (1) is slidably provided with a sliding plate (4), a transmission mechanism (2) is installed at the connecting position of the sliding plate (4) and the clamping positioning base plate (1), the inner side of the sliding plate (4) is provided with a clamping mechanism (3), and a connecting piece (5) is arranged at the connecting position of the sliding plate (4) and the clamping mechanism (3). The clamping mechanism (3) comprises a rotating plate (304) rotatably installed on the connecting piece (5), a connecting groove (303) is formed in the side of the rotating plate (304), a supporting plate (301) is fixedly arranged in the connecting groove (303), a clamping plate (308) is connected to one side of the supporting plate (301), a clamping spring (307) is connected between the clamping plate (308) and the supporting plate (301), and a clamping screw rod (302) is threadedly connected in the supporting plate (301).

2. The pair of positioning fixtures for ductile cast iron machining according to claim 1, characterized in that: The top of the rotating plate (304) is provided with a counter-clamping plate (305), and the rotating plate (304) and the counter-clamping plate (305) form a V-shaped structure.

3. The pair of positioning fixtures for ductile cast iron machining according to claim 1, characterized in that: The end of the clamping screw rod (302) is connected with the clamping plate (308) through a bearing, and the clamping screw rod (302) and the clamping plate (308) are perpendicular to each other.

4. The pair of positioning fixtures for ductile cast iron machining according to claim 1, characterized in that: Connecting shafts (306) are arranged between the two groups of rotating plates (304), and the two groups of rotating plates (304) are rotatably connected through the connecting shafts (306).

5. The pair of positioning fixtures for ductile cast iron machining according to claim 1, characterized in that: A connecting spring (6) is arranged outside the connecting shaft (306), and a connecting telescopic rod (7) is arranged below the rotating plate (304).

6. The pair of positioning fixtures for ductile cast iron machining according to claim 5, characterized in that: The transmission mechanism (2) comprises sliding supports (204) fixed at the front and rear ends of the sliding plate (4), a bidirectional screw rod (201) is connected in the sliding support (204) through a screw rod sleeve, a transmission worm wheel (202) is fixedly arranged at the end of the bidirectional screw rod (201), and a transmission worm (203) is engagedly connected below the transmission worm wheel (202).

7. The pair of positioning fixtures for ductile cast iron machining according to claim 6, characterized in that: A limiting sliding groove is formed at the connecting position of the sliding support (204) and the clamping positioning base plate (1).

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