Clamp for lathe

Abstract

The utility model provides a clamp for a lathe, and belongs to the technical field of machine manufacturing and machining. According to the clamp for the lathe, a sliding table is installed above a base, a machining table is installed above the sliding table, the sliding table is installed above the base in a sliding mode, a gear rod is rotationally arranged below the sliding table, the top of the gear rod penetrates through the sliding table, a lead screw is rotationally arranged above the sliding table, and the machining table is installed above the sliding table in a sliding mode. The sliding table is installed on the base, the rotating rod and the lead screw are rotationally arranged on the sliding table, the gear rod is arranged below the sliding table, the bevel gears are arranged at the two ends of the rotating rod, the gears are arranged at the two ends of the gear rod, and the top end and the bottom end of the gear rod are meshed with the bevel gears and the racks respectively. The bevel gear can rotate the gear rod, then the gear rod drives the sliding table to move, the lead screw can drive the machining table to move, and therefore the effects that the machining table can be moved at will, and all positions of a workpiece can be machined are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mechanical manufacturing processing, specifically, relate to a fixture for lathe. BACKGROUND

[0002] The lathe is the machine tool that mainly uses the lathe tool to turn the workpiece. On the lathe, drilling, reaming, reamer, tap, die and knurling tool can be used to carry out corresponding processing, and when the product is processed on the lathe, the lathe fixture is needed to fix the workpiece, so that the product can always be kept in the specified position during the processing, so that the surface of the product can be processed to meet the process specification.

[0003] In the prior art, most of the lathe fixtures cannot be moved after fixing the workpiece, and if the other parts of the workpiece need to be processed, the processing position needs to be replaced constantly, which is inconvenient, and when the workpiece is fixed, the workpiece is very easy to deviate, which reduces the accuracy of workpiece processing and makes the workpiece processing substandard. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of fixture for lathe to overcome the above technical problems or at least partially solve the above problems.

[0005] The utility model is realized as follows:

[0006] The utility model provides a kind of fixture for lathe, including base, the upper portion of base is equipped with sliding table, the upper portion of sliding table is equipped with processing table;

[0007] Moving mechanism, the moving mechanism includes:

[0008] Sliding table;The sliding table is slidably installed on the upper portion of base;

[0009] Gear lever;The gear lever is rotationally arranged below the sliding table, and the top of the gear lever penetrates the sliding table;

[0010] Lead screw;The lead screw is rotationally arranged above the sliding table;

[0011] Processing table;The processing table is slidably installed on the upper portion of sliding table.

[0012] Preferably, a kind of technical scheme, the inside of base is provided with recess, both sides in recess are provided with rack, and the upper portion of base is fixedly installed with first sliding rail on both sides.

[0013] Preferably, the upper portion of the sliding table is fixedly provided with a first motor and a second motor, and the upper portion of the sliding table is rotatably provided with a rotating rod and a lead screw, the output end of the first motor is fixedly connected with the rotating rod, the output end of the second motor is fixedly connected with the lead screw, and the two sides of the lead screw are fixedly provided with second sliding rails.

[0014] Preferably, the two ends of the rotating rod are provided with bevel gears, the bevel gears are engaged with the gears at the top end of the gear rod, and the bottom end of the gear rod is engaged with the rack.

[0015] Preferably, the bottom of the machining table is fixedly provided with a sliding block, the sliding block is threadedly connected with the lead screw, and the upper portion of the machining table is provided with a fixing mechanism.

[0016] Preferably, the fixing mechanism comprises a base plate, the base plate is rotatably arranged on the upper portion of the machining table, and three positioning discs are rotatably arranged in the base plate.

[0017] Preferably, three limiting plates are arranged around the base plate, a connecting rod is arranged above each of the three limiting plates, and one end of the connecting rod is connected with the positioning disc.

[0018] Preferably, a handle is rotatably arranged on one side of the base plate, a clamping block is movably arranged at one end of the handle, and a clamping groove is formed in the machining table, and the clamping block is clamped with the clamping groove.

[0019] The clamp for a lathe has the following beneficial effects.

[0020] 1. The sliding table is arranged on the base, the rotating rod and the lead screw are rotatably arranged on the sliding table, the gear rod is arranged below the sliding table, the two ends of the rotating rod are provided with bevel gears, the two ends of the gear rod are provided with gears, the top end and the bottom end of the gear rod are engaged with the bevel gears and the rack respectively, the rotating rod and the lead screw are rotated, the bevel gears rotate the gear rod, the gear rod drives the sliding table to move, and the lead screw drives the machining table to move, so that the machining table can be moved at will, and the effect of machining each position of the workpiece is achieved.

[0021] 2. The fixing mechanism is arranged on the machining table, the fixing mechanism has three positioning discs inside, the rear end of the positioning disc is connected with the connecting rod, the base plate is rotated by rotating the handle, the connecting rod moves forward and backward at this time, the positioning disc is pushed to move forward and backward, and the effect of fixing the workpiece is achieved, and the offset workpiece can be automatically positioned at the center position. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as a limitation to the scope. Other related drawings can also be obtained by those skilled in the art without creative effort, on the premise of not paying creative effort.

[0023] Figure 1 is the overall structure of the present application embodiment provides a perspective view;

[0024] Figure 2 is the sliding table structure schematic diagram provided by the present application embodiment;

[0025] Figure 3 is the sliding table and base cross-sectional structure schematic diagram provided by the present application embodiment;

[0026] Figure 4 is the fixed mechanism structure schematic diagram provided by the present application embodiment;

[0027] Figure 5 is the processing table bottom structure schematic diagram provided by the present application embodiment;

[0028] In the figure: 1, base; 11, rack; 12, first slide rail; 2, moving mechanism; 21, sliding table; 22, first motor; 23, second motor; 24, rotating rod; 25, bevel gear; 26, gear rod; 27, second slide rail; 28, screw rod; 3, processing table; 31, sliding block; 4, fixed mechanism; 41, base plate; 42, positioning disc; 43, limiting plate; 44, connecting rod; 45, handle. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present application.

[0030] EMBODIMENT

[0031] REFERENCE Figures 1-5The utility model provides a technical scheme: a clamping device for lathe, including base 1, the top of base 1 is installed with sliding table 21, the top of sliding table 21 is installed with processing table 3, moving mechanism 2 includes sliding table 21, sliding table 21 slidingly installs at the top of base 1, gear bar 26 rotationally arranged at the below of sliding table 21, and the top of gear bar 26 is through sliding table 21, screw rod 28 rotationally arranged at the top of sliding table 21, processing table 3 slidingly installs at the top of sliding table 21, gear bar 26 both ends are provided with gear, and screw rod 28 rotationally can drive processing table 3 to move back and forth on sliding table 21.

[0032] Preferably, a kind of implementation technical solutions, recess is set in the inside of base 1, rack 11 is set in the both sides in recess, and first sliding rail 12 is fixedly installed on the top of base 1 on both sides.

[0033] Preferably, a kind of implementation technical solutions, first motor 22 and second motor 23 are fixedly installed on the top of sliding table 21 respectively, and rotationally set with screw rod 28 and rotating lever 24 on the top of sliding table 21 respectively, the output of first motor 22 is fixedly connected with rotating lever 24, the output of second motor 23 is fixedly connected with screw rod 28, and second sliding rail 27 is fixedly installed on the both sides of screw rod 28, the both ends of rotating lever 24 are provided with bevel gear 25, bevel gear 25 is engaged with the gear of gear bar 26 top, and the bottom end of gear bar 26 is engaged with rack 11, rotating lever 24 is rotated by first motor 22, and bevel gear 25 at the both ends of rotating lever 24 will be driven, thereby rotating gear bar 26, the bottom end of gear bar 26 will be rotated by rack 11, thereby driving sliding table 21 to move left and right, and screw rod 28 is rotated by second motor 23, and processing table 3 is moved back and forth by screw rod 28.

[0034] Preferably, a kind of implementation technical solutions, the bottom of processing table 3 is fixedly installed with sliding block 31, and sliding block 31 is threadedly connected with screw rod 28, and the top of processing table 3 is provided with fixed mechanism 4, when screw rod 28 is rotated, sliding block 31 can slide, thereby driving processing table 3 to move.

[0035] Preferably, one of the implementation technical solutions, the fixing mechanism 4 comprises a base plate 41 rotatably arranged above the machining table 3, and three positioning discs 42 are rotatably arranged in the base plate 41, three limiting plates 43 are arranged around the base plate 41, a connecting rod 44 is arranged above each of the three limiting plates 43, the front end of the connecting rod 44 is connected with the positioning disc 42, a handle 45 is rotatably arranged on one side of the base plate 41, one end of the handle 45 is movably provided with a clamping block, and a clamping groove is formed in the machining table 3, the clamping block is clamped with the clamping groove, the handle 45 is lifted to rotate the base plate 41, the rear end of the connecting rod 44 moves forward and backward in the limiting plate 43, when the connecting rod 44 moves backward, the positioning disc 42 is separated, when the connecting rod 44 moves forward, the positioning disc 42 is clamped, so that the workpiece is fixed, and at the same time, the workpiece can be positioned at the center position under the pushing of the three positioning discs 42, so that the workpiece is prevented from being deviated during machining.

[0036] By installing the sliding table 21 on the base 1, the rotating rod 24 and the lead screw 28 are rotatably arranged on the sliding table 21, the gear rod 26 is arranged below the sliding table 21, the taper gears 25 are arranged at both ends of the rotating rod 24, the gears are arranged at both ends of the gear rod 26, the top end and the bottom end of the gear rod 26 are respectively engaged with the taper gears 25 and the rack 11, by rotating the rotating rod 24 and the lead screw 28, the taper gears 25 rotate the gear rod 26, and then the gear rod 26 drives the sliding table 21 to move, and the lead screw 28 drives the machining table 3 to move, so that the machining table 3 can be moved at will, and the workpiece can be machined at each position, by installing the fixing mechanism 4 on the machining table 3, the fixing mechanism 4 has three positioning discs 42 inside, the rear end of the positioning disc 42 is connected with the connecting rod 44, by rotating the handle 45, the base plate 41 is rotated, at this time, the connecting rod 44 moves forward and backward, so as to drive the positioning disc 42 to move forward and backward, so as to fix the workpiece, and the deviated workpiece can be automatically positioned at the center position.

[0037] Specifically, the working process or working principle of the lathe clamp is as follows: in use, first, the handle 45 is lifted to rotate the chassis 41, the rear end of the connecting rod 44 moves forward and backward in the limiting plate 43, when the connecting rod 44 moves backward, the positioning disc 42 is separated, when the connecting rod 44 moves forward, the positioning disc 42 is clamped, so that the workpiece is fixed, and under the simultaneous pushing of the three positioning discs 42, the workpiece can be in the center position, preventing the workpiece from deviating during machining, at this time, the first motor 22 is opened, the first motor 22 rotates the rotating rod 24, two bevel gears 25 are arranged at the two ends of the rotating rod 24, two gear rods 26 corresponding to the bevel gears 25 are arranged below the sliding table 21, the upper and lower ends of the gear rod 26 are provided with gears, the upper and lower ends of the gear rod 26 are respectively meshed with the bevel gears 25 and the rack 11, at this time, the bevel gears 25 rotate the gear rod 26, the bottom of the gear rod 26 moves in the groove of the base 1, so as to drive the sliding table 21 to move on the first sliding rail 12, the second motor 23 is opened, the second motor 23 rotates the lead screw 28, the sliding block 31 is fixedly installed at the bottom of the machining table 3, the sliding block 31 is in threaded connection with the lead screw 28, the lead screw 28 makes the sliding block 31 slide forward and backward, thereby driving the machining table 3 to move on the second sliding rail 27, so as to achieve the effect that the machining table 3 can be moved at will for machining each position of the workpiece.

Claims

1. A fixture for a lathe, comprising a base (1), a slide (21) mounted above the base (1), a processing table (3) mounted above the slide (21), characterized in that: A moving mechanism (2), wherein the moving mechanism (2) comprises: Slide (21); the slide (21) is slidably mounted above the base (1); A gear rod (26); the gear rod (26) is rotatably arranged below the slide (21), and the top of the gear rod (26) passes through the slide (21); The screw rod (28) is rotatably arranged above the slide (21); A processing table (3); the processing table (3) is slidably mounted above the slide table (21).

2. A lathe fixture according to claim 1, characterized in that: A groove is provided inside the base (1), racks (11) are provided on both sides of the groove, and first slide rails (12) are fixedly installed on both sides above the base (1).

3. The lathe clamp according to claim 1, characterized in that: A first motor (22) and a second motor (23) are fixedly mounted above the slide (21), and a rotating rod (24) and a screw rod (28) are rotatably mounted above the slide (21). The output end of the first motor (22) is fixedly connected to the rotating rod (24), and the output end of the second motor (23) is fixedly connected to the screw rod (28), and second slide rails (27) are fixedly mounted on both sides of the screw rod (28).

4. A lathe clamp according to claim 3, characterized in that: Bevel gears (25) are provided at both ends of the rotating rod (24), the bevel gears (25) are meshed with the gears at the top end of the gear rod (26), and the bottom end of the gear rod (26) is meshed with the rack (11).

5. The lathe clamp according to claim 1, characterized in that: A slider (31) is fixedly mounted on the bottom of the processing table (3), the slider (31) is threadedly connected to the screw rod (28), and a fixing mechanism (4) is provided above the processing table (3).

6. The lathe clamp according to claim 5, characterized in that: The fixing mechanism (4) comprises a chassis (41), the chassis (41) is rotatably arranged above the processing table (3), and three positioning plates (42) are rotatably arranged inside the chassis (41).

7. The lathe clamp according to claim 6, characterized in that: Three limiting plates (43) are installed around the chassis (41), and a connecting rod (44) is provided above each of the three limiting plates (43). The front end of the connecting rod (44) is connected to the positioning plate (42).

8. The lathe clamp according to claim 6, characterized in that: A handle (45) is rotatably provided on one side of the chassis (41), a clamping block is movably provided on one end of the handle (45), and a clamping slot is provided on the processing table (3), and the clamping block is clamped with the clamping slot.

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