CN102107363B - Automatic indexing circular milling flute fixture - Google Patents

Abstract

The invention discloses an automatic indexing circumferential groove milling fixture. It includes upper guide rail, lower guide rail, motor, rotating cam, connecting rod, fixed supporting plate, rotating shaft, body, ratchet, indexing gear, clamping device, braking device, rotating device and fixed plate, and the rotating cam is installed on the motor. On the main shaft, one end of the connecting rod is movably connected with the rotating cam, and the other end is connected with the main body. The braking device and the rotating device are installed on the main body, and the fixed plate is installed on the lower guide rail. The braking device and the rotating device are connected with the fixed plate. The device cooperates with the indexing gear, and the rotating device cooperates with the ratchet. The invention has the characteristics of reasonable design, high production efficiency, low cost, good quality of processed products and the like.

Description

Automatic Indexing Circumferential Milling Fixture

technical field

The invention relates to a groove milling fixture, in particular to an automatic indexing circumferential groove milling fixture.

Background technique

Since the current indexing fixture mainly uses the universal indexing head to manually index, it is time-consuming, laborious and inefficient in the batch processing process. Especially in the batch processing of products that need to be indexed, such as circumferential stove fire covers, there are shortcomings such as low processing efficiency, high production cost, and low product qualification rate, which seriously affect the economic benefits of enterprises and the use effect of products.

Contents of the invention

The object of the present invention is to provide an automatic indexing circumferential groove milling jig with reasonable design, high production efficiency, low cost and good quality of processed products.

In order to achieve the above object, the present invention is achieved through the following technical solutions. Automatic indexing circumferential groove milling fixture, including upper guide rail, lower guide rail, motor, rotating cam, connecting rod, fixed supporting plate, rotating shaft, body, ratchet, indexing gear, clamping device, braking device, rotating device and fixing plate , the rotating cam is mounted on the main shaft of the motor, one end of the connecting rod is movably connected with the rotating cam, the other end is connected with the body, the body is fixed on the upper guide rail, the rotating shaft is fixedly connected with the ratchet and the indexing gear, and the ratchet and the indexing gear are located between the rotating shaft and the Between the fixed pallets, the fixed pallet is located on the upper guide rail, the braking device and the rotating device are installed on the body, the fixed plate is installed on the lower guide rail, the braking device and the rotating device are connected with the fixed plate, the braking device and the indexing The gears cooperate, and the turning device cooperates with the ratchet.

The automatic indexing circumferential groove milling fixture, the brake device includes a brake ejector rod, a brake spring, a brake spring sleeve and a brake fixing sleeve, the brake fixing sleeve is arranged in the brake spring sleeve, and the brake top The rod is matched with the brake fixing sleeve, the brake spring is set on the brake push rod and located in the brake spring sleeve, one end of the brake push rod is connected with the fixed plate, and the other end is matched with the indexing gear groove.

The automatic indexing circumferential groove milling fixture, its rotating device includes a rotating connecting rod, a pawl, a pawl spring, a spring fixing block and a pawl fixing block, the pawl fixing block is connected with the fixed plate through the rotating connecting rod, and the ratchet It is arranged in the pawl hole of the pawl fixing block, one end of the pawl matches the ratchet groove, the other end bears on the pawl spring, and the spring fixing block presses the pawl spring.

The clamping device of the automatic indexing circumferential groove milling fixture includes a clamping screw and a compression cover. The clamping screw passes through the compression cover and is threadedly connected with the rotating shaft. The ring is provided with an elastic groove, the pressing cover is provided with a wedge-shaped convex surface, and the wedge-shaped concave surface matches the wedge-shaped convex surface.

The present invention has the following advantages: (1) due to the use of the rotating cam linkage mechanism, the automatic advance and retreat cutting movement of the workpiece is realized; (2) the automatic indexing of the workpiece is realized by the use of a ratchet rotating device; The gear brake device realizes the indexing and positioning cutting of the workpiece; (4) the clamping device adopts a wedge-shaped concave surface and a wedge-shaped convex surface to match, and is equipped with an elastic groove structure, which is especially suitable for processing ring products, such as cooker fire covers (5) the design of the automatic indexing circumferential groove milling fixture is reasonable in structure, convenient to use, safe and reliable, wide in use, high in production efficiency, and can effectively save processing costs; (6) the use of this automatic After the slot milling jig, as long as the workpiece is placed on the jig and clamped, the machine can automatically complete the processing process of indexing and slot milling, which can effectively guarantee the pass rate of the product.

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of an automatic indexing circumferential groove milling jig of the present invention.

Fig. 2 is a front structural schematic diagram of the automatic indexing circumferential groove milling jig of the present invention.

Detailed ways

Embodiments of the invention will be described in further detail below in conjunction with the accompanying drawings.

Embodiment 1: As shown in Figure 1 and Figure 2, the automatic indexing circumferential groove milling fixture includes an upper guide rail 1, a lower guide rail 2, a motor 3, a rotating cam 4, a connecting rod 5, a fixed supporting plate 6, a rotating shaft 7, and a body 8. Ratchet 9, indexing gear 10, clamping device 11, braking device 12, rotating device 13 and fixed plate 14, rotating cam 4 is installed on the main shaft of motor 3, one end of connecting rod 5 is flexibly connected with rotating cam 4, The other end is connected with the body 8, the body 8 is fixed on the upper guide rail 1, the rotating shaft 7 is fixedly connected with the ratchet 9 and the indexing gear 10, the ratchet 9 and the indexing gear 10 are located between the rotating shaft 7 and the fixed pallet 6, and the fixed pallet 6 is located on the upper guide rail 1, the braking device 12 and the rotating device 13 are installed on the body 8, the fixed plate 14 is installed on the lower guide rail 2, the braking device 12 and the rotating device 13 are connected with the fixed plate 14, the braking device 12 and the The indexing gear 10 cooperates, and the rotating device 13 cooperates with the ratchet 9 .

Embodiment 2: As shown in Figure 1 and Figure 2, the automatic indexing circumferential groove milling fixture includes an upper guide rail 1, a lower guide rail 2, a motor 3, a rotating cam 4, a connecting rod 5, a fixed supporting plate 6, a rotating shaft 7, and a body 8. Ratchet 9, indexing gear 10, clamping device 11, braking device 12, rotating device 13 and fixed plate 14, rotating cam 4 is installed on the main shaft of motor 3, one end of connecting rod 5 is flexibly connected with rotating cam 4, The other end is connected with the body 8, the body 8 is fixed on the upper guide rail 1, the rotating shaft 7 is fixedly connected with the ratchet 9 and the indexing gear 10, the ratchet 9 and the indexing gear 10 are located between the rotating shaft 7 and the fixed pallet 6, and the fixed pallet 6 is located on the upper guide rail 1, the braking device 12 and the rotating device 13 are installed on the body 8, the fixed plate 14 is installed on the lower guide rail 2, the braking device 12 and the rotating device 13 are connected with the fixed plate 14, the braking device 12 and the The indexing gear 10 cooperates, and the rotating device 13 cooperates with the ratchet 9 . Brake device 12 comprises brake push rod 15, brake spring 16, brake spring cover 17 and brake fixed cover 18, and brake fixed cover 18 is located in brake spring cover 17, and brake push rod 15 and brake Fixed cover 18 is matched, and brake spring 16 is enclosed within on the brake push rod 15 and is positioned at brake spring cover 17, and brake push rod 15 one end is connected with fixed plate 14, and the other end matches with indexing gear groove 19. Rotating device 13 comprises rotating connecting rod 20, ratchet 21, ratchet spring 22, spring fixed block 23 and ratchet fixed block 24, ratchet fixed block 24 is connected with fixed plate 14 by rotating connecting rod 20, and ratchet 21 is located at In the pawl hole of the pawl fixing block 24 , one end of the pawl 21 matches the ratchet groove 25 , and the other end bears on the pawl spring 22 , and the spring fixing block 23 presses the pawl spring 22 .

Embodiment 3: As shown in Figure 1 and Figure 2, the clamping device 11 includes a clamping screw 26 and a compression cover 27, the clamping screw 26 passes through the compression cover 27 and is threadedly connected with the rotating shaft 7, and the end of the rotating shaft 7 is provided with The wedge-shaped concave surface 28 is provided with an elastic groove 29 on the outer ring of the wedge-shaped concave surface 28, and the pressing cover 27 is provided with a wedge-shaped convex surface 30, and the wedge-shaped concave surface 28 cooperates with the wedge-shaped convex surface 30.

Claims (3)

1. An automatic indexing circumferential groove milling fixture, comprising an upper guide rail (1), a lower guide rail (2) and a motor (3), is characterized in that: it also includes a rotating cam (4), a connecting rod (5), a fixed Supporting plate (6), rotating shaft (7), body (8), ratchet (9), indexing gear (10), clamping device (11), braking device (12), rotating device (13) and fixing plate (14), the rotating cam (4) is mounted on the main shaft of the motor (3), one end of the connecting rod (5) is flexibly connected with the rotating cam (4), the other end is connected with the body (8), and the body (8) is fixed on the On the guide rail (1), the rotating shaft (7) is fixedly connected with the ratchet (9) and the indexing gear (10), and the ratchet (9) and the indexing gear (10) are located between the rotating shaft (7) and the fixed supporting plate (6) , the fixed pallet (6) is located on the upper guide rail (1), the braking device (12) and the rotating device (13) are installed on the body (8), the fixed plate (14) is installed on the lower guide rail (2), and the brake The device (12) and the rotating device (13) are connected with the fixed plate (14), the braking device (12) cooperates with the indexing gear (10), the rotating device (13) cooperates with the ratchet (9), and the rotating device (13) comprise rotating connecting rod (20), ratchet (21), ratchet spring (22), spring fixed block (23) and ratchet fixed block (24), ratchet fixed block (24) passes through rotating connecting rod (20) is connected with the fixed plate (14), the ratchet (21) is located in the ratchet hole of the ratchet fixed block (24), one end of the ratchet (21) matches the ratchet groove (25), and the other end tops Against the pawl spring (22), the spring fixing block (23) presses the pawl spring (22). 2. The automatic indexing circumferential groove milling fixture according to claim 1, characterized in that: the brake device (12) includes a brake push rod (15), a brake spring (16), and a brake spring sleeve (17) And the brake fixed sleeve (18), the brake fixed sleeve (18) is located in the brake spring sleeve (17), the brake push rod (15) is matched with the brake fixed sleeve (18), and the brake spring (16 ) is set on the brake ejector rod (15) and located in the brake spring sleeve (17), one end of the brake ejector rod (15) is connected with the fixed plate (14), and the other end is matched with the indexing gear groove (19) . 3. The automatic indexing circumferential groove milling fixture according to claim 1 or 2, characterized in that: the clamping device (11) includes a clamping screw (26) and a pressing cover (27), and the clamping screw (26) Through the compression cover (27) and threaded connection with the rotating shaft (7), the end of the rotating shaft (7) is provided with a wedge-shaped concave surface (28), and an elastic groove (29) is arranged on the outer ring of the wedge-shaped concave surface (28), and the compression cover (27) is provided with wedge-shaped convex surface (30), and wedge-shaped concave surface (28) cooperates with wedge-shaped convex surface (30).

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