Crankshaft forging and pressing shifting pliers

Abstract

The utility model discloses a crankshaft forging and pressing shifting clamp which comprises an anti-skid handle, one side of the anti-skid handle is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a connecting base, a motor is installed in the middle of the interior of the connecting base, and a fixing clamp is installed at the output shaft end of the motor. And a moving mechanism is arranged in the fixed clamp. The clamping pieces are installed on one side of the fixed clamp and one side of the movable clamp so that crankshaft clamping work can be carried out, when the inserting blocks on the clamping pieces are inserted into the inserting grooves in the movable clamp, the clamping blocks on the inserting blocks can be clamped into the clamping grooves in the inserting grooves, at the moment, the clamping pieces can be rapidly installed, and when the sliding rods on the fixed clamp and the movable clamp are pushed, the clamping blocks on the inserting blocks can be clamped into the clamping grooves in the inserting grooves. The sliding rod can drive the push rod to move through the first movable block, the push rod can push the clamping block on the insertion block into the insertion block, and at the moment, clamping pieces of different specifications can be rapidly replaced according to the specification of the crankshaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to crankshaft forging technical field, concretely is a crankshaft forging poking pliers. BACKGROUND

[0002] Crankshaft forging poking pliers are special tools used in the production process of crankshafts, mainly used for poking, positioning and clamping the crankshafts during the forging process. Its design usually includes two powerful jaws that precisely clamp and adjust the crankshafts through mechanical operation, ensuring the stability and precision of the crankshafts during forging. This tool can effectively improve forging efficiency, reduce crankshaft damage, and improve product quality. In the production of crankshafts, it plays a key auxiliary role.

[0003] The crankshaft forging poking pliers for petroleum drilling equipment disclosed in Chinese Patent No. CN212884802U can clamp the curved part of the crankshaft forging and insert it into the crankshaft by the first clamping rod and the second clamping rod arranged in cross, increasing the stability of clamping. The sliding opening and closing of the two jaw arms are driven by the driving assembly, avoiding the need to rely on continuous application of human force to fix the crankshaft forging. However, the overall functionality of the poking pliers is relatively low, and it cannot stably and effectively clamp different specifications of crankshafts. In addition, long-term use can cause wear of the pliers head, affecting the stability of subsequent use of the poking pliers. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a crankshaft forging poking pliers to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a crankshaft forging poking pliers, comprising an anti-slip handle, one side of the anti-slip handle is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a connecting seat, a motor is installed at the middle position inside the connecting seat, a fixed jaw is installed at the output shaft end of the motor, a moving mechanism is arranged inside the fixed jaw, a movable jaw is arranged on one side of the moving mechanism, a clamping piece is arranged on one side of the movable jaw, a dismounting mechanism is arranged inside the movable jaw, and a material layer is arranged inside the fixed jaw.

[0006] Preferably, the moving mechanism includes a servo motor installed on one side inside the fixed jaw, a threaded rod is installed at the output shaft end of the servo motor, and a threaded block fixedly connected with the movable jaw is threadedly connected to the outside of the threaded rod.

[0007] Preferably, the disassembling mechanism comprises a slot arranged in the inner side of the movable clamp, one side of the slot is provided with a clamping groove, the inner side of the movable clamp is slidably connected with a sliding rod, one side of the sliding rod is fixedly connected with a first movable block, one side of the first movable block is fixedly connected with a first spring, and one side of the first movable block is fixedly connected with a push rod.

[0008] Preferably, one side of the clamping piece is fixedly connected with an insertion block matched with the slot, one side of the insertion block is slidably connected with a clamping block matched with the clamping groove, one side of the clamping block is fixedly connected with a second movable block, and one side of the second movable block is fixedly connected with a second spring.

[0009] Preferably, the material layer comprises a composite inner core arranged at the middle position of the inner side of the fixed clamp, the outer side of the composite inner core is provided with an anti-deformation layer, and the outer side of the anti-deformation layer is provided with a strength layer.

[0010] Preferably, the composite inner core is made of alloy cast iron and chromium plating layer composite material, the anti-deformation layer is made of heat-treated steel material, and the strength layer is made of high-carbon tool steel.

[0011] Compared with the prior art, the disassembling mechanism has the advantages that:

[0012] 1. The crankshaft forging pressing driving clamp is characterized in that the fixed clamp and the movable clamp are both provided with clamping pieces for clamping the crankshaft, the clamping block on the insertion block of the clamping piece is clamped into the clamping groove on the slot of the movable clamp, the sliding rod on the fixed clamp and the movable clamp is pushed, the sliding rod drives the push rod to move through the first movable block, the push rod pushes the clamping block on the insertion block into the interior of the insertion block, different specifications of clamping pieces can be quickly replaced according to the specifications of the crankshaft, and the overall applicability of the driving clamp and the convenience of disassembly and replacement are improved.

[0013] 2. The crankshaft forging pressing driving clamp is characterized in that the composite inner core, the anti-deformation layer and the strength layer are arranged in the interior of the driving clamp, the composite inner core can effectively disperse energy when the driving clamp bears external force impact, the chromium plating layer can prevent the tool from reacting with the metal material and being corroded in the forging pressing process, the anti-deformation layer is arranged outside the composite inner core and can not be deformed or have hardness reduced under high temperature in the forging pressing process, and the strength layer is arranged outside the anti-deformation layer and can ensure that the clamp body is not easily deformed or worn in the high-strength forging pressing process. Through the design of these multi-layer composite materials, the comprehensive performance of the crankshaft forging pressing driving clamp is significantly improved, better working effect and longer service life can be provided in the working environment of high temperature, high pressure, frequent impact and corrosion. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The overall structure schematic view of the utility model;

[0015] Figure 2 The top view structure schematic view of the utility model fixed forceps is shown in the figure.

[0016] Figure 3 The utility model Figure 2 The enlarged structure schematic view of A in the middle is shown in the figure.

[0017] Figure 4 The top view structure schematic view of the utility model fixed forceps is shown in the figure.

[0018] In the figure: 1, anti-skid handle; 2, connecting rod; 201, connecting seat; 202, motor; 3, fixed forceps; 4, moving mechanism; 401, servo motor; 402, threaded rod; 403, threaded block; 5, movable forceps; 501, slot; 502, clamping groove; 6, sliding rod; 601, first movable block; 602, first spring; 603, push rod; 7, clamping piece; 701, plug; 702, clamping block; 703, second movable block; 704, second spring; 8, dismounting mechanism; 9, material layer; 901, composite inner core; 902, anti-deformation layer; 903, strength layer. DETAILED DESCRIPTION

[0019] The technical solutions 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 work fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides two technical schemes:

[0021] Embodiment one, a crankshaft forging pressing tongs, including anti-skid handle 1, one side of anti-skid handle 1 is fixedly connected with connecting rod 2, one side of connecting rod 2 is fixedly connected with connecting seat 201, and the inside middle position of connecting seat 201 is installed with motor 202, and the output shaft end of motor 202 is installed with fixed forceps 3, the inside of fixed forceps 3 is provided with moving mechanism 4, one side of moving mechanism 4 is provided with movable forceps 5, one side of movable forceps 5 is provided with clamping piece 7, the inside of movable forceps 5 is provided with dismounting mechanism 8, the inside of fixed forceps 3 is provided with material layer 9, and the inside specifications material of fixed forceps 3 and movable forceps 5 are same, and all are provided with dismounting mechanism 8, material layer 9, through the inside motor 202 of connecting seat 201 starts, then can drive fixed forceps 3 and movable forceps 5 to work.

[0022] The mobile mechanism 4 includes a servo motor 401 installed on one side of the inside of the fixed clamp 3, the output shaft end of the servo motor 401 is provided with a threaded rod 402, the threaded rod 402 is externally threaded connected with a threaded block 403 fixedly connected with the movable clamp 5 on one side, the threaded rod 402 can be driven to rotate when the servo motor 401 is started, at this time the threaded block 403 on the outside of the threaded rod 402 can drive the movable clamp 5 to move, so that the movable clamp 5 can cooperate with the fixed clamp 3 to clamp the crankshaft.

[0023] The dismounting mechanism 8 includes a slot 501 arranged on one side of the inside of the movable clamp 5, a clamping groove 502 is arranged on one side of the inside of the slot 501, a sliding rod 6 is slidably connected to the inside of one side of the movable clamp 5, a first movable block 601 is fixedly connected to one side of the sliding rod 6, a first spring 602 is fixedly connected to one side of the first movable block 601, a push rod 603 is fixedly connected to one side of the first movable block 601, by pushing the sliding rod 6, the sliding rod 6 can push the push rod 603 to move through the first movable block 601, and the first movable block 601 can press the first spring 602 on one side, at this time the push rod 603 can push the clamping block 702 into the inside of the insertion block 701, when the sliding rod 6 is released, due to the reaction force of the first spring 602 being pressed, the sliding rod 6 and the push rod 603 can be quickly reset by the first movable block 601.

[0024] The clamping piece 7 is fixedly connected with the insertion block 701 inserted into the slot 501 on one side, the clamping block 702 on the outside of the insertion block 701 is slidably connected with the clamping groove 502, the clamping block 702 is fixedly connected with the second movable block 703 on one side, the second movable block 703 is fixedly connected with the second spring 704 on one side, the insertion block 701 on one side of the clamping piece 7 is inserted into the slot 501 on the movable clamp 5, then the clamping block 702 on the insertion block 701 can be clamped into the clamping groove 502 on the slot 501, completing the quick installation work of the clamping piece 7, at the same time the clamping block 702 on the insertion block 701 can press the second spring 704 through the second movable block 703, at this time the clamping block 702 can be retracted into the inside of the insertion block 701, when the clamping block 702 cancels the force, due to the reaction force of the second spring 704 being pressed, the clamping block 702 can be quickly reset by the second movable block 703.

[0025] The main difference between the second embodiment and the first embodiment is that:

[0026] A crankshaft forging and pressing pushing clamp, the material layer 9 includes a composite inner core 901 arranged at the middle position of the inside of the fixed clamp 3, an anti-deformation layer 902 is arranged on the outside of the composite inner core 901, and a strength layer 903 is arranged on the outside of the anti-deformation layer 902.

[0027] The composite inner core 901 adopts alloy cast iron and plated chromium layer composite material, the alloy cast iron has good impact absorption capacity, can effectively disperse energy when bearing external force impact, reduces the risk of tool damage, and the plated chromium layer has very good corrosion resistance, can prevent the tool from reacting with metal materials and corroding during forging and pressing.

[0028] The anti-deformation layer 902 adopts heat-treated steel material, has excellent high-temperature resistance, can bear high temperature without deformation or hardness reduction during forging and pressing, and ensures the accuracy of workpiece adjustment.

[0029] The strength layer 903 adopts high-carbon tool steel, bears strong external pressure and wear, ensures that the clamp body is not easy to deform or wear during high-strength forging and pressing, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0030] In use, the user's hand is gripped on the anti-skid handle 1, and the servo motor 401 in the fixed clamp 3 is started through the controller, at this time the servo motor 401 drives the threaded rod 402 to rotate, and the threaded block 403 outside the threaded rod 402 can drive the movable clamp 5 to move, at this time the fixed clamp 3 can cooperate with the movable clamp 5 to clamp the crankshaft, and the fixed clamp 3 is driven to rotate through the start of the motor 202 in the connecting seat 201, so as to turn over the crankshaft, and when it is necessary to replace the clamping pieces 7 on the fixed clamp 3 and the movable clamp 5, the sliding rod 6 on the fixed clamp 3 and the movable clamp 5 is pushed, at this time the sliding rod 6 can push the push rod 603 to move through the first movable block 601, so that the push rod 603 can push the clamping piece 7 into the inside of the insertion block 701, at this time the insertion block 701 on the clamping piece 7 can be pulled out from the insertion slot 501 on the fixed clamp 3 and the movable clamp 5, and the disassembly and replacement of the clamping piece 7 are completed.

[0031] The basic principle, main features and advantages of the utility model are shown and described. Those skilled in the art should understand that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A crank forging tongs comprising a non-slip handle (1), characterized in that: One side of the anti -skid handle (1) is fixedly connected with connecting rod (2), one side of the connecting rod (2) is fixedly connected with connecting seat (201), the middle position in the connecting seat (201) is installed with motor (202), the output shaft end of the motor (202) is installed with fixed forceps (3), the inside of the fixed forceps (3) is provided with moving mechanism (4), one side of the moving mechanism (4) is provided with movable forceps (5), one side of the movable forceps (5) is provided with clamping piece (7), the inside of the movable forceps (5) is provided with dismounting mechanism (8), the inside of the fixed forceps (3) is provided with material layer (9).

2. A crank forging tongs according to claim 1, wherein: The moving mechanism (4) includes a servo motor (401) installed on one side of the fixed forceps (3), a threaded rod (402) is installed on the output shaft end of the servo motor (401), and a threaded block (403) is fixedly connected with the movable forceps (5) on one side of the threaded rod (402).

3. A crank forging tongs according to claim 1, wherein: The dismounting mechanism (8) includes a slot (501) provided on one side of the movable forceps (5), a clamping groove (502) is provided on one side of the slot (501), a sliding rod (6) is slidably connected to the inside of the movable forceps (5) on one side, a first movable block (601) is fixedly connected to one side of the sliding rod (6), a first spring (602) is fixedly connected to one side of the first movable block (601), and a push rod (603) is fixedly connected to one side of the first movable block (601).

4. A crank forging tongs according to claim 3, wherein: One side of the clamping piece (7) is fixedly connected with an insertion block (701) inserted into the slot (501), a clamping block (702) is slidably connected to one side of the insertion block (701), a second movable block (703) is fixedly connected to one side of the clamping block (702), and a second spring (704) is fixedly connected to one side of the second movable block (703).

5. A crank forging tongs as claimed in claim 1 wherein: The material layer (9) includes a composite inner core (901) provided in the middle of the fixed forceps (3), an anti-deformation layer (902) is provided on the outside of the composite inner core (901), and a strength layer (903) is provided on the outside of the anti-deformation layer (902).

6. A crank forging tongs according to claim 5, wherein: The composite inner core (901) is made of alloy cast iron and plated layer composite material, the anti-deformation layer (902) is made of heat treated steel, and the strength layer (903) is made of high carbon tool steel.

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