Positioning tool for gear machining table

Abstract

The utility model discloses a gear machining table positioning tool which comprises a base and a synchronous disc, the synchronous disc is arranged below the base, a plurality of sets of vertically-extending pull rods are arranged on the top side of the synchronous disc in a surrounding mode, sliding sleeves are arranged on the outer sides of the pull rods in a rotating mode, and synchronous gears are arranged on the top side of the synchronous disc in a rotating mode. A sliding hole for containing the sliding sleeve is vertically formed in the middle of the base in a penetrating mode, and the top end of the pull rod upwards penetrates out of the sliding sleeve. The gear blank pressing device has the advantages that the multiple sets of pull rods are arranged to pull down the top end pressing head to serve as a gear blank pressing mechanism, the synchronous gear is arranged to synchronously drive the multiple pull rods to drive the top end pressing head to rotate, the multiple sets of pressing heads can be synchronously rotated outwards when gear blanks are replaced, the gear blanks are staggered, and therefore the gear blanks are convenient to replace; in addition, the pressure heads at the top ends of the pull rods can synchronously rotate inwards and outwards, so that the positions of the pressure heads can be correspondingly adjusted according to the to-be-machined internal gear or external gear without replacing the clamp, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of gear processing equipment, in particular to a positioning tool for a gear processing table. Background Art

[0002] Gears are important basic transmission components. Gear processing machines are widely used in various mechanical manufacturing industries such as automobiles, tractors, machine tools, construction machinery, mining machinery, metallurgical machinery, petroleum, instrumentation, aircraft and spacecraft. During the gear processing process, a fixture is needed to keep the position of the annular gear blank stable. In the current gear processing process, it is necessary to select corresponding positioning tooling according to the different structural forms of external gears and internal gears to avoid the fixture covering and blocking the gear blank processing position. When changing the type and size of the processed product, the fixture needs to be replaced accordingly, which is inconvenient to use. Utility Model Content

[0003] The purpose of the utility model is to provide a gear processing table positioning tooling in order to solve the above-mentioned problem, to set multiple groups of pull rods to pull down the top pressure head as a gear blank clamping mechanism, and to set a synchronous gear that can synchronously drive multiple pull rods to drive the top pressure head to rotate, so that when the gear blank is replaced, the multiple groups of pressure heads can be synchronously rotated outward to stagger the gear blanks to facilitate the replacement of the gear blanks, which is more convenient to use. See the following description for details.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The gear processing table positioning tool provided by the utility model comprises a base and a synchronous disk, wherein the synchronous disk is arranged below the base, and a plurality of groups of vertically extending pull rods are arranged around the top side of the synchronous disk, a sliding sleeve is rotatably arranged on the outer side of the pull rod, and a synchronous gear is rotatably arranged on the top side of the synchronous disk;

[0006] A sliding hole for accommodating the sliding sleeve is vertically penetrated in the middle of the base, the top of the pull rod passes through the sliding sleeve upward, and multiple groups of pressure heads extending horizontally toward the center of the base are fixed to the top of the pull rod, and a small gear meshing with the synchronous gear is coaxially fixed to the bottom of the pull rod.

[0007] The above-mentioned gear processing table positioning tooling is adopted. When in use, the gear blank to be clamped is placed on the top side of the supporting seat of the base, and the swing arm is driven downward by pushing the drive rod through the cylinder, so that the transmission groove at the bottom of the swing arm can be used to press down the transmission rod, and the transmission rod can be used to drive the synchronous disk and multiple pull rods to move downward synchronously, and the top pressure head of the pull rod can be used to press the top surface of the gear blank, so as to realize rapid clamping of the gear blank; when it is necessary to adjust the direction of the pressure head to adapt to the clamping of different gear types, the synchronous motor drives the synchronous gear to drive multiple groups of small gears to rotate synchronously, and then the pull rod is used to drive the top pressure head to rotate, so as to change the direction of the pressure head to adapt to the clamping processing of gears of different sizes or types.

[0008] Preferably, a circular annular supporting seat coaxially distributed with the synchronous gear is provided on the top side of the base, and the sliding sleeve is gap-matched with the sliding hole.

[0009] Preferably, a frame with a C-shaped frame structure with an opening facing downward is fixed on the top side of the synchronous disk, a synchronous motor is fixed on the top side of the frame, and the synchronous motor is transmission-connected to the synchronous gear via a transmission shaft.

[0010] Preferably, a stop edge is fixed to the bottom end of the sliding sleeve, and a spring is sleeved on the outer side of the sliding sleeve on the top side of the stop edge and is pressed upward to the bottom side of the base.

[0011] Preferably, a vertically extending mounting plate is fixed to the outer side of the base, an L-shaped swing arm is arranged below the synchronization disk, and an oil cylinder is fixed to the outer side of the mounting plate.

[0012] Preferably, a fixing ear through which bolts are passed to connect the mounting plate is fixed to the outer side of the base, and a pressure-bearing seat for supporting the rotation of the swing arm is fixed to the bottom side of the mounting plate.

[0013] Preferably, a transmission rod is fixed to the bottom side of the synchronization disk, a transmission groove for accommodating the transmission rod is fixed to the bottom end of the swing arm, and a driving groove is longitudinally penetrated through the top end of the swing arm.

[0014] Preferably, a receiving hole is horizontally penetrated in the middle of the mounting plate, a driving rod with a clearance matching the driving groove is fixed to the output end of the oil cylinder, and a bracket fixed to the outer side of the mounting plate is provided at the end of the oil cylinder.

[0015] The beneficial effect is that: the utility model sets multiple groups of pull rods to pull down the top pressure head as the gear blank pressing mechanism, and sets a synchronous gear to synchronously drive multiple pull rods to drive the top pressure head to rotate, so that when the gear blank is replaced, the multiple groups of pressure heads can be synchronously rotated outward to stagger the gear blanks, thereby facilitating the replacement of the gear blanks;

[0016] In addition, the pressure heads at the top of multiple groups of pull rods can rotate inward and outward synchronously, which makes it easy to adjust the position of the pressure heads according to the required internal gear or external gear processing, without the need to replace the fixture, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is the main structural diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of the structural disassembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure disassembly of the pull rod and the sliding sleeve of the utility model;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the utility model in another direction.

[0023] The following are the descriptions of the reference numerals:

[0024] 1. Base; 101. Sliding hole; 102. Supporting seat; 103. Fixing ear; 2. Synchronous plate; 201. Transmission rod; 202. Frame; 203. Synchronous motor; 3. Pull rod; 301. Pressure head; 302. Pinion; 4. Synchronous gear; 5. Sliding sleeve; 501. Stop edge; 502. Spring; 6. Mounting plate; 601. Receiving hole; 602. Bolt hole; 603. Pressure seat; 7. Swing arm; 701. Transmission slot; 702. Drive slot; 8. Cylinder; 801. Drive rod; 802. Bracket. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 As shown, the utility model provides a positioning tool for a gear processing table, comprising a base 1 and a synchronous disk 2, wherein the synchronous disk 2 is arranged below the base 1, and a plurality of groups of vertically extending pull rods 3 are arranged around the top side of the synchronous disk 2, a sliding sleeve 5 is rotatably arranged on the outer side of the pull rod 3, and a synchronous gear 4 is rotatably arranged on the top side of the synchronous disk 2;

[0027] A sliding hole 101 for accommodating the sliding sleeve 5 is vertically penetrated in the middle of the base 1, and the top of the pull rod 3 passes through the sliding sleeve 5 upward, and a pressure head 301 extending horizontally toward the center of the base 1 is fixed on the top of multiple groups of pull rods 3. The pressure head 301 serves as a clamping structure for pressing the gear blank down, and a small gear 302 meshing with the synchronous gear 4 is coaxially fixed to the bottom end of the pull rod 3.

[0028] As an optional embodiment, a circular annular supporting seat 102 coaxially distributed with the synchronous gear 4 is provided on the top side of the base 1, and the sliding sleeve 5 is in clearance with the sliding hole 101. A frame 202 with a C-shaped frame structure with an opening facing downward is fixed on the top side of the synchronous disk 2, and a synchronous motor 203 is fixed on the top side of the frame 202. The synchronous motor 203 is connected to the synchronous gear 4 through a transmission shaft to ensure that the synchronous motor 203 can drive the synchronous gear 4 to rotate, and then the pinion 302 is used to drive the pull rod 3 to drive the upper pressure head 301 to rotate, so as to release the blocking effect of the pressure head 301 on the tooth blank, so as to facilitate the replacement of the tooth blank. A stop edge 501 is fixed to the bottom end of the sliding sleeve 5, and a spring 502 is provided on the outer sleeve of the sliding sleeve 5 on the top side of the stop edge 501, which is pressed upward to the bottom side of the base 1, so that the stop edge 501 can be pressed downward by the spring 502, thereby pressing the pull rod 3 downward to drive the pressure head 301 to move downward, so as to ensure that the pressure head 301 can press and position the tooth blank;

[0029] A vertically extending mounting plate 6 is fixed to the outside of the base 1, an L-shaped swing arm 7 is arranged below the synchronous disk 2, an oil cylinder 8 is fixed to the outside of the mounting plate 6, a fixing ear 103 through which bolts are passed to connect the mounting plate 6 is fixed to the outside of the base 1, and a pressure bearing seat 603 supporting the swing arm 7 to rotate is fixed to the bottom of the mounting plate 6;

[0030] A transmission rod 201 is fixed to the bottom side of the synchronous disk 2, and a transmission groove 701 for accommodating the transmission rod 201 is fixed to the bottom end of the swing arm 7, ensuring that the swing arm 7 can drive the transmission rod 201 and the synchronous disk 2 to move up and down through the transmission groove 701. A driving groove 702 is longitudinally penetrated by the top of the swing arm 7, and a accommodating hole 601 is horizontally penetrated by the middle of the mounting plate 6. A driving rod 801 with a clearance matching the driving groove 702 is fixed to the output end of the cylinder 8, and a bracket 802 fixed to the outside of the mounting plate 6 is provided at the end of the cylinder 8, so that the bracket 802 can support the cylinder 8 to extend and retract to realize the swing arm 7, thereby supporting the synchronous disk 2 to drive multiple pull rods 3 to move up and down.

[0031] With the above structure, when in use, the gear blank to be clamped is placed on the top side of the supporting seat 102 of the base 1, and the driving rod 801 is pushed by the oil cylinder 8 to drive the swing arm 7 to rotate downward, so that the transmission groove 701 at the bottom end of the swing arm 7 is used to press the transmission rod 201 downward, and the transmission rod 201 is used to drive the synchronous disk 2 and multiple pull rods 3 to move downward synchronously, and the top pressure head 301 of the pull rod 3 is used to press the top surface of the gear blank, so as to realize the rapid clamping of the gear blank; when it is necessary to adjust the direction of the pressure head 301 to adapt to the clamping of different gear types, the synchronous motor 203 drives the synchronous gear 4 to drive multiple groups of small gears 302 to rotate synchronously, and then the top pressure head 301 is driven to rotate by the pull rod 3 to change the direction of the pressure head 301 to adapt to the clamping processing of gears of different sizes or types;

[0032] By setting multiple groups of pull rods 3 to pull down the top pressure head 301 as a gear blank pressing mechanism, and setting a synchronous gear 4 to synchronously drive multiple pull rods 3 to drive the top pressure head 301 to rotate, so that when the gear blank is replaced, the multiple groups of pressure heads 301 can be synchronously rotated outward to stagger the gear blanks, thereby facilitating the replacement of the gear blanks;

[0033] In addition, the pressing heads 301 at the top ends of the multiple groups of pull rods 3 can rotate inward and outward synchronously, so that the positions of the pressing heads 301 can be adjusted accordingly according to the required internal gear or external gear to be processed, without the need to replace the fixture, which is more convenient to use.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. Gear processing table positioning tool, characterized by: The invention comprises a base (1) and a synchronous disk (2), wherein the synchronous disk (2) is arranged below the base (1), a plurality of groups of vertically extending pull rods (3) are arranged around the top side of the synchronous disk (2), a sliding sleeve (5) is rotatably arranged on the outer side of the pull rod (3), and a synchronous gear (4) is rotatably arranged on the top side of the synchronous disk (2); A sliding hole (101) for accommodating the sliding sleeve (5) is vertically penetrated through the middle of the base (1); the top end of the pull rod (3) passes through the sliding sleeve (5) upward, and a plurality of groups of pressure heads (301) extending horizontally toward the center of the base (1) are fixed to the top ends of the pull rods (3); a small gear (302) meshing with the synchronous gear (4) is coaxially fixed to the bottom ends of the pull rods (3).

2. The gear processing table positioning tool according to claim 1, characterized in that: The top side of the base (1) is provided with an annular supporting seat (102) coaxially distributed with the synchronous gear (4), and the sliding sleeve (5) is clearance-matched with the sliding hole (101).

3. The gear processing table positioning tool according to claim 2, characterized in that: A frame (202) of a C-shaped frame structure with an opening facing downward is fixed on the top side of the synchronous disk (2), a synchronous motor (203) is fixed on the top side of the frame (202), and the synchronous motor (203) is connected to the synchronous gear (4) through a transmission shaft.

4. The positioning tool for a gear processing table according to claim 3, characterized in that: A stop edge (501) is fixed to the bottom end of the sliding sleeve (5), and a spring (502) is sleeved on the outside of the sliding sleeve (5) on the top side of the stop edge (501) and is pressed upward to the bottom side of the base (1).

5. The gear processing table positioning tool according to claim 1, characterized in that: A vertically extending mounting plate (6) is fixed on the outside of the base (1), an L-shaped swing arm (7) is arranged below the synchronization disk (2), and an oil cylinder (8) is fixed on the outside of the mounting plate (6).

6. The positioning tool for a gear processing table according to claim 5, characterized in that: A fixing ear (103) through which bolts are passed to connect the mounting plate (6) is fixed on the outer side of the base (1), and a pressure-bearing seat (603) that supports the rotation of the swing arm (7) is fixed on the bottom side of the mounting plate (6).

7. The gear processing table positioning tool according to claim 6, characterized in that: A transmission rod (201) is fixed to the bottom side of the synchronization disk (2), a transmission groove (701) for accommodating the transmission rod (201) is fixed to the bottom end of the swing arm (7), and a driving groove (702) is longitudinally penetrated through the top end of the swing arm (7).

8. The positioning tool for a gear processing table according to claim 7, characterized in that: A receiving hole (601) is horizontally penetrated through the middle of the mounting plate (6), a driving rod (801) which is loosely matched with the driving groove (702) is fixed to the output end of the oil cylinder (8), and a bracket (802) fixed to the outside of the mounting plate (6) is provided at the end of the oil cylinder (8).

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