CN203197630U - Milling groove clamping device for sleeve parts - Google Patents

Abstract

The utility model relates to a milling fixture, in particular to a milling slot clamping device for sleeve parts, comprising a fixed seat, a left vertical plate and a right vertical plate fixedly connected to the fixed seat, The horizontal support plate between the left vertical board and the right vertical board, the cylinder fixed on the right vertical board, the double push rod mechanism connected to the cylinder piston, the hinged joint on the left vertical board A force transmission mechanism, a positioning mechanism fixedly connected to the horizontal support plate, and an automatic loading and unloading mechanism arranged on the right side of the positioning mechanism. After adopting the above-mentioned technical scheme, the processing accuracy requirements of the parts can be guaranteed, the clamping force is stable, the clamping quality is high, the fast and automatic part clamping is realized, the productivity is greatly improved, and the labor intensity of workers is greatly reduced.

Description

Milling and clamping device for sleeve parts

technical field

The utility model relates to a milling fixture, in particular to a slot milling and clamping device for sleeve parts. the

Background technique

There is a kind of shaft sleeve parts on textile machinery equipment, the production quantity is large, and the special milling fixture shown in Figure 8 is used to clamp the parts. The main processing procedures are internal and external circle and end surface processing, and groove processing. The groove processing is On a general-purpose milling machine, the requirements for machining accuracy are guaranteed. In the above-mentioned processing process, the positioning and clamping of the parts need to be done manually by the operator, which leads to low production efficiency and high labor intensity for workers. the

Utility model content

The purpose of the utility model is to provide a clamping device for realizing the automatic positioning and clamping of slot milling processing of sleeve parts. the

The technical solution to achieve the above purpose is: the milling and clamping device for sleeve parts, including a fixing seat, a left vertical plate and a right vertical plate fixedly connected to the fixed seat, and a fixed connection between the left vertical plate and the The horizontal support plate between the right vertical plates, the cylinder fixed on the right vertical plate, the double push rod mechanism connected to the piston of the cylinder, the force transmission mechanism hinged on the left vertical plate, the fixed connection on the The positioning mechanism on the horizontal support plate and the automatic loading and unloading mechanism arranged on the right side of the positioning mechanism; the double push rod mechanism includes a push rod connection block connected to the cylinder piston, fixed horizontally on the The upper push rod and the lower push rod on the push rod connection block, the left end of the lower push rod is an inclined plane; the force transmission mechanism includes a connection block fixedly connected to the left vertical plate, hinged on the The pressure rod and the roller hinged at the bottom of the pressure rod; the positioning mechanism includes a support block fixedly connected to the horizontal support plate, the support block is provided with a bush, and the bush is pierced with a positioning pin, the left end of the positioning pin is set with a return spring, and the return spring is arranged between the shoulder of the positioning pin and the support block; the left vertical plate is provided with a left through hole and the lower push rod phase transition fit; the right vertical plate is provided with an upper through hole, a middle through hole and a lower through hole, the upper through hole is transitionally matched with the upper push rod, and the lower through hole is transitioned with the lower push rod Cooperate, the said middle through hole and the said air cylinder piston are matched in clearance; the right side of said horizontal support plate is provided with a notch. the

Further, the automatic loading and unloading mechanism includes a stocker fixedly connected to the horizontal support plate and a chute arranged obliquely on the stocker. the

Further, the left through hole is provided with a left bush, and the upper through hole and the lower through hole are provided with right bushes. the

Further, the left end of the positioning pin is screwed with an adjusting nut; the return spring is sleeved on the positioning pin, and is arranged between the adjusting nut and the support block. the

After adopting the above-mentioned technical scheme, the processing accuracy requirements of the parts can be guaranteed, the clamping force is stable, the clamping quality is high, the fast and automatic part clamping is realized, the productivity is greatly improved, and the labor intensity of workers is greatly reduced. the

Description of drawings

Figure 1 is a practical structural diagram. the

Figure 2 is a schematic diagram of the structure of the force transmission mechanism. the

Fig. 3 is a structural schematic diagram of the positioning mechanism. the

FIG. 4 is a cross-sectional view along line A-A of FIG. 1 . the

Figure 5 is a schematic diagram of the structure of the double push rod mechanism. the

Figure 6 is a schematic diagram of the structure of the right vertical plate. the

Fig. 7 is a schematic diagram of the structure of the left vertical board. the

Fig. 8 is a traditional fixture for slot milling process of sleeve parts. the

In the figure: 1. force transmission mechanism; 1-1. pressure rod; 1-2. roller; 1-3. second connecting block; 2. positioning mechanism; 2-1. positioning pin; 2-3. Support block; 2-4. Return spring; 2-5. Adjusting nut; 3. Automatic loading and unloading mechanism; ;4. Double push rod mechanism; 4-1. Upper push rod; 4-2. Push rod connection block; 4-3. Lower push rod; 5. Cylinder; 6. Right vertical plate; ;6-2. Middle through hole; 6-3. Lower through hole; 6-4. Right bushing; 7. Horizontal support plate; 8. Left vertical plate; 8-1. Left bushing; 8-2. Left Through hole; 9. Fixing seat. the

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail. the

As shown in Figures 1 to 3 and Figures 5 to 7, the milling and clamping device for sleeve parts includes a fixed seat 9, a left vertical plate 8 and a right vertical plate 6 fixedly connected to the fixed seat 9, The horizontal support plate 7 fixedly connected between the left vertical board 8 and the right vertical board 6, the cylinder 5 fixedly connected on the right vertical board 6, the double push rod mechanism connected on the piston of the cylinder 5 4. The force transmission mechanism 1 hinged on the left vertical plate 8, the positioning mechanism 2 fixedly connected to the horizontal support plate 7 and located on the right side of the force transmission mechanism 1 and arranged on the right side of the positioning mechanism 2 The automatic loading and unloading mechanism 3; the double push rod mechanism 4 includes a push rod connection block 4-2 connected to the piston of the cylinder 5, an upper push rod that is horizontally connected to the push rod connection block 4-2 4-1 and a lower push rod 4-3, the left end of the lower push rod 4-3 is an inclined plane; The pressing rod 1-1 hinged on the second connecting block 1-3 and the roller 1-2 hinged at the bottom end of the pressing rod 1-1, the lower push rod 4-3 can pass through the roller 1-2 2 to drive the pressure rod 1-1 to rotate clockwise; the positioning mechanism 2 includes a support block 2-3 fixedly connected to the horizontal support plate 7, and the support block 2-3 is provided with a bushing 2- 2. The bushing 2-2 is pierced with a positioning pin 2-1, and the left end of the positioning pin 2-1 is set with a return spring 2-4, and the return spring 2-4 is arranged on the positioning pin 2- 1 and the support block 2-3, the positioning pin 2-1 moves to the right under the push of the pressure rod 1-1; the left vertical plate 8 is provided with a left through hole 8- 2. Transitionally cooperate with the lower push rod 4-3; the right vertical plate 6 is provided with an upper through hole 6-1, a middle through hole 6-2 and a lower through hole 6-3, and the upper through hole 6- 1 transition fit with the upper push rod 4-1, the transition fit between the lower through hole 6-3 and the lower push rod 4-3, the gap between the middle through hole 6-2 and the piston of the cylinder 5 Cooperate; the right side of the horizontal support plate 7 has a notch, and the push rod connection block 4-2, the lower push rod 4-3 and the piston of the cylinder 45 can move left and right in the notch. the

As shown in Figure 4, the automatic loading and unloading mechanism 3 includes a stocker 3-2 fixedly connected to the horizontal support plate 7 and a trough 3-1 obliquely arranged on the stocker 3-2 . The inclined trough 3-1 can utilize the self-weight of the parts to complete automatic feeding, and the arc surface of the holder 3-2 can realize rough positioning of the parts. the

As shown in Figures 5 to 7, the left through hole 8-2 is provided with a left bush 8-1, and the upper through hole 6-1 and the lower through hole 6-3 are provided with a right bush 6-4 . The wear of the lower push rod 4-3 and the left through hole 8-2 can be avoided by the left bush 8-1, and the wear of the upper push rod 4-1 can be avoided by the right bush 6-4. And the wear of the upper through hole 6-1 and the lower through hole 6-3 ensures the movement accuracy of the upper push rod 4-1 and the lower push rod 4-3. the

As shown in Figure 3, the left end of the positioning pin 2-1 is screwed with an adjusting nut 2-5; the return spring 2-4 is sleeved on the positioning pin 2-1, and is arranged on the adjusting nut 2- 5 and between the support blocks 2-3. The elastic force of the return spring 2-4 can be adjusted by adjusting the position of the adjusting nut 2-5 on the positioning pin 2-1. the

The working principle of the utility model is as follows: when a batch of parts needs to be processed, the position of the milling and clamping device for sleeve parts on the machine tool workbench should be adjusted and fixed effectively, and then the tool and parts should be adjusted through the tool setting element relative position. The automatic processing process can start after the silo is filled with material. At this time, the control system controls the piston of the cylinder 5 to be at the rightmost position, and the parts are fed to the holder by gravity along the blanking trough 3-1 of the silo. The arc surface of 3-2 performs rough positioning; then the control system controls the piston of cylinder 5 to extend to the left to the maximum position direction, and the push rod connecting block 4-2 drives the upper push rod 4-1 to push the part to move to the left, and at the same time drives The lower push rod 4-3 moves to the left, and the lower push rod 4-3 pushes the roller 1-2 to rotate by the inclined surface, and drives the pressure rod 1-1 to rotate clockwise to press the movable positioning pin 2-1 to protrude into the inner hole of the part. After completing the precise positioning of the parts, the upper push rod 4-1 continues to move to the left to complete the clamping action of the parts and start the groove cutting process. At the end of the processing, the control system controls the piston of the cylinder 5 to drive the upper push rod 4-1 to move to the right, and the lower push rod 4-3 also moves to the right. After the lower push rod 8 is separated from the roller 1-2, the positioning pin 2-1 Restored and contracted by the elastic force of the return spring 2-4, the loosening and unloading of the parts is completed, and the unloaded finished product rolls down into the box 3-3 along the blanking chute 3-1, and at this time, the new parts are completed automatically. Loading and rough positioning, the next round of automatic processing has started. the

Claims (4)

1. the groove milling clamping device of a cover parts, comprise holder (9), connect firmly left riser (8) and right riser (6) on described holder (9), connect firmly the horizontal supporting plate (7) between described left riser (8) and described right riser (6), connect firmly at described right riser (6) upper cylinder (5), it is characterized in that: also comprise the two transfer bar mechanisms (4) that are connected on described cylinder (5) piston, be hinged on the force transmission mechanism (1) on the described left riser (8), connect firmly the detent mechanism (2) on described horizontal supporting plate (7) and be arranged on the automatic loading and unloading mechanism (3) on described detent mechanism (2) right side;

Described pair of transfer bar mechanism (4) comprises that the push rod contiguous block (4-2), the level that are connected on described cylinder (5) piston connect firmly upper push-rod (4-1) and the lower push-rod (4-3) on described push rod contiguous block (4-2), and the left end of described lower push-rod (4-3) is the inclined-plane;

Described force transmission mechanism (1) comprises and connects firmly at the second contiguous block (1-3) on the described left riser (8), is hinged on the depression bar (1-1) on described the second contiguous block (1-3) and is hinged on the roller (1-2) of described depression bar (1-1) bottom;

Described detent mechanism (2) comprises the back-up block (2-3) that connects firmly on described horizontal supporting plate (7), be provided with lining (2-2) in the described back-up block (2-3), be installed with alignment pin (2-1) in the described lining (2-2), the left end of described alignment pin (2-1) is set with back-moving spring (2-4), and described back-moving spring (2-4) is arranged between the shaft shoulder and described back-up block (2-3) of described alignment pin (2-1);

Described left riser (8) is provided with left through hole (8-2) and described lower push-rod (4-3) phase interference fits;

Described right riser (6) is provided with through hole (6-1), middle through hole (6-2) and lower through-hole (6-3), described upper through hole (6-1) and described upper push-rod (4-1) phase interference fits, described lower through-hole (6-3) and described lower push-rod (4-3) interference fits, described middle through hole (6-2) and described cylinder (5) piston phase matched in clearance;

The right side of described horizontal supporting plate (7) has notch.

2. the groove milling clamping device of cover parts according to claim 1 is characterized in that: described automatic loading and unloading mechanism (3) comprises and connects firmly at the retainer device (3-2) on the described horizontal supporting plate (7) and be inclined at hopper (3-1) on the described retainer device (3-2).

3. the groove milling clamping device of cover parts according to claim 1 and 2, it is characterized in that: described left through hole (8-2) is provided with left lining (8-1), is provided with right lining (6-4) in described upper through hole (6-1) and the lower through-hole (6-3).

4. the groove milling clamping device of cover parts according to claim 3, it is characterized in that: the left end of described alignment pin (2-1) screws togather an adjusting nut (2-5); Described back-moving spring (2-4) is sleeved on the described alignment pin (2-1), is arranged between described adjusting nut (2-5) and the described back-up block (2-3).

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