CN217860132U - Anchor clamps for screw machining - Google Patents

Abstract

The utility model discloses a fixture for screw processing, which relates to the technical field of screw processing. It comprises a fixed base and support rods arranged on both sides of the fixed base. In the same way, the left and right ends of the fixed base are symmetrically slidably connected with a second sliding plate, and the fixed base and the support rod are respectively connected with a horizontal screw and a longitudinal screw, and the horizontal screw and the longitudinal screw are connected by a gear set, and the longitudinal screw is threaded. The first sliding plate is connected, and a support is provided between the adjacent first sliding plates. The support and the first sliding plate are connected by an adjusting screw. 2. a sliding plate, an insertion rod is arranged on the outer end surface of the adjacent flexible pad, and a return spring is movably sleeved on the insertion rod. This application is driven by a single motor, which improves the utilization rate of resources and improves the efficiency of screw fixing.

Description

Fixture for screw processing

technical field

The utility model relates to the technical field of screw processing, in particular to a clamp for screw processing.

Background technique

The screw is a tool for tightening the parts of the object step by step by using the physical and mathematical principles of the oblique circular rotation and friction of the object. Headless headless headless screw is a deformed product of ordinary hexagon socket head cap screw. It is mainly used for fastening the connection of the hole position that does not change to the countersunk head in the fixed connection mechanism, and plays the role of locking, simple positioning, and limiting. In mechanical assembly, headless screws are often used for simple positioning, limit, and fastening due to the characteristics of no countersunk head. During the processing of headless screws, the headless screws need to be fixed, so corresponding fixtures need to be used.

Existing patent: CN202022301865.5 A fixture for screw processing, which uses a motor to drive the two-way threaded rod to rotate inside the cavity, the threaded block moves toward the center on the outer wall of the two-way threaded rod, and the bottom of the threaded block The limit slider moves in translation inside the limit chute, the clamping frame at the top of the thread block moves in the inside of the bar-shaped through groove, and the clamping frame drives the arc-shaped clamping block to clamp the headless screw, so that it is convenient for different The size of the headless screw is precisely clamped, the telescopic rod drives the movable plate to move downward, the movable plate drives the sliding sleeve through the connecting rod to slide on the outer wall of the support rod, and the movable plate drives the upper clamping plate to move down, To make the top of the headless screw snap into the upper groove, the clipping and clamping of the screw needs to be carried out in two steps, which not only causes a waste of resources, but also makes the efficiency of screw fixing low. In view of this, we propose a fixture for screw processing.

Utility model content

The purpose of this utility model is to provide a clamp for screw processing to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a fixture for screw processing, including a fixed base and support rods arranged on both sides of the fixed base, a top plate is fixedly installed on the support rod, the fixed base, the support The rod and the inner cavity of the top plate are connected, and the fixed base and the support rod are respectively connected with a horizontal screw and a longitudinal screw. A sliding plate, a support is provided between the adjacent first sliding plates, the support and the first sliding plate are connected by an adjusting screw, the lower middle part of the support is provided with a clamping plate, and the left and right sides of the horizontal screw A second sliding plate is symmetrically connected, and the second sliding plate is movably clamped on the fixed base. A flexible pad is evenly provided on the opposite surface adjacent to the second sliding plate, and an insert is provided on the outer end surface of the adjacent flexible pad. A return spring is movably socketed on the insertion rod, a U-shaped frame is fixedly installed on the inner side of the second sliding plate, and the insertion rod is movably inserted into the U-shaped frame.

Preferably, the centerlines of the transverse screw and the longitudinal screw are perpendicular to each other, and the longitudinal screw is arranged on the upper left and upper right sides of the transverse screw.

Preferably, a biaxial motor is provided in the middle of the top plate, and the biaxial motor is connected with the longitudinal screw through a gear set.

Preferably, a limiting groove is provided on the opposite surface of the support rod, and the limiting groove is movably connected to the first sliding plate.

Preferably, the clamping plate is arranged above the middle of the adjacent second sliding plate, and holes corresponding to the flexible pads are equally spaced on the clamping plate.

Preferably, the return spring is arranged inside the U-shaped frame.

Preferably, the fixed base is provided with a sliding slot corresponding to the second sliding plate.

Compared with the prior art, the beneficial effects of the utility model are:

1. This kind of fixture for screw processing, by setting the fixed base, the support rod and the top plate to be hollow inside, can use a single motor to drive the horizontal screw and the longitudinal screw to rotate at the same time. When the horizontal screw rotates, it is symmetrically clamped on the fixed base. The second sliding plate moves inward at the same time, and the lower end of the screw can be clamped by the elastic force of the return spring. At the same time, when the longitudinal screw rotates, the adjacent first sliding plate moves downward at the same time. Then drive the clamping plate to clamp the upper end of the screw, and fix the headless screw through the mutual cooperation of the clamping plate and the second sliding plate, which improves the fixing effect of the headless screw, and a single motor drive improves the utilization rate of resources , improving the efficiency of screw fixing.

2. This kind of fixture for screw processing is provided with an insertion rod on the outer surface of the adjacent flexible pad, and a return spring is sleeved on the insertion rod, and the elastic force of the return spring is used to further improve the second sliding plate. Snap-on fixation effect.

3. This kind of fixture for screw processing is connected between the support and the first sliding plate through the adjustment screw, and there is a scale on the outer surface of the adjustment screw. According to the length of the screw to be processed, the initial height of the adjustment support can be adjusted by The observation scale can be adjusted accurately, and it can be properly adjusted according to the length of the screw to be processed, which improves the scope of application of the screw fixture.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front schematic diagram of the utility model;

Fig. 3 is the enlarged schematic view of the M place of the utility model;

Fig. 4 is a schematic bottom view of the pallet of the present invention.

In the figure: 1. Fixed base; 2. Top plate; 3. Support rod; 4. Limit slot; 5. First sliding plate; 6. Adjusting screw; 7. Support; plate; 10. flexible pad; 11. longitudinal screw; 12. transverse screw; 13. return spring; 14. gear set;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment: Please refer to Figures 1-4, the utility model provides a technical solution: a clamp for screw processing, including a fixed base 1 and support rods 3 located on both sides of the fixed base 1, wherein the fixed base 1 can pass through Fixed to the ground by expansion bolts, the top plate 2 is fixedly installed on the support rod 3, the inner cavity of the fixed base 1, the support rod 3 and the top plate 2 are all connected, and the fixed base 1, the top plate 2 and the support rod 3 are fixed and installed in sequence. Wherein, the fixed base 1 is arranged under the top plate 2, and the fixed base 1 and the top plate 2 are parallel to each other.

Further, a second sliding plate 9 is symmetrically slidably connected to the left and right ends of the fixed base 1, and a flexible pad 10 is evenly provided on the opposite surface of the adjacent second sliding plate 9, and the flexible pad 10 is an arc-shaped pad, wherein the flexible pad 10 Glue on the second sliding plate 9. Through the setting of the flexible pad 10, when the symmetrically arranged second sliding plate 9 moves inward at the same time to clamp the screw, the flexible action of the flexible pad 10 can avoid damage to the screw caused by the clamping operation, ensuring the processing of the screw quality.

In this embodiment, a horizontal screw 12 and a longitudinal screw 11 are respectively rotatably connected inside the fixed base 1 and the support rod 3. The center lines of the horizontal screw 12 and the longitudinal screw 11 are perpendicular to each other, and the longitudinal screw 11 is arranged on the upper left side of the horizontal screw 12 and top right sides. The middle part of the top plate 2 is provided with a biaxial motor 18 , and the biaxial motor 18 is connected with the longitudinal screw 11 through a gear set 14 . Wherein, the gear set 14 is two helical gears whose centerlines are perpendicular to each other and mesh with each other. The transverse screw 12 and the longitudinal screw 11 are connected by a gear set 14, the longitudinal screw 11 is threadedly connected with the first sliding plate 5, the opposite surface of the support rod 3 is provided with a limiting groove 4, and the limiting groove 4 is movably connected with the first sliding plate. plate 5.

Wherein, a support 7 is provided between adjacent first sliding plates 5 , the support 7 and the first sliding plate 5 are connected by an adjusting screw 6 , and a scale is provided on the outer surface of the adjusting screw 6 . According to the length of the screw to be processed, the initial height of the adjustment support 7 can be adjusted accurately by observing the scale.

A clamping plate 8 is provided at the lower middle of the support 7 , and the clamping plate 8 is arranged above the middle of the adjacent second sliding plate 9 , and the clamping plate 8 is equally spaced with holes 15 corresponding to the flexible pads 10 . The holes 15 facilitate the insertion of screws. A sliding slot corresponding to the second sliding plate 9 is opened on the fixed base 1 . By the rotation of the transverse screw 12 and the longitudinal screw 11, the adjacent second sliding plate 9 and the first sliding plate 5 can be driven to move. By sliding the second sliding plate 9 on the fixed base 1 , it is possible to prevent the second sliding plate 9 from following the rotation of the transverse screw 12 , so that the second sliding plate 9 can only move axially along the transverse screw 12 .

Further, the second sliding plate 9 is flexibly connected to the transverse screw 12 symmetrically from left to right, the flexible pad 10 is arranged on the opposite surface of the adjacent second sliding plate 9, and the outer end surface of the adjacent flexible pad 10 is provided with an insertion rod 17, and on the insertion rod 17 There is a back-moving spring 13 in the movable socket, and the back-moving spring 13 is arranged inside the U-shaped frame 16 . A U-shaped frame 16 is fixedly installed on the inner surface of the second sliding plate 9 , and the insertion rod 17 is movably inserted on the U-shaped frame 16 . By setting the insertion rod 17 on the outer surface of the adjacent flexible pad 10, and the return spring 13 is sleeved on the insertion rod 17, the elastic force of the return spring 13 is used to further improve the clamping and fixing of the second sliding plate 9 to the screw. Effect.

This kind of fixture for screw processing, when working: the staff first places the headless screw to be processed between the left and right adjacent second sliding plates 9, and places it inside the arc groove on the second sliding plate 9 The biaxial motor is controlled by the control switch to open, under the action of the biaxial motor, through the connection of the gear set 14, the longitudinal screw 11 and the horizontal screw 12 rotate at the same time, and when the horizontal screw 12 rotates, the symmetrical clamping is arranged on a fixed The second sliding plate 9 on the base 1 moves inward at the same time, and the lower end of the screw can be clamped by the elastic force of the return spring 13. At the same time, when the longitudinal screw 11 rotates, the adjacent first sliding plate The plate 5 moves downward at the same time, and then drives the clamping plate 8 to clamp the upper end of the screw, and the headless screw is fixed through the mutual cooperation of the clamping plate 8 and the second sliding plate 9, which improves the fixing effect of the headless screw, and Driven by a single motor, it improves resource utilization and screw processing efficiency.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides an anchor clamps for screw machining, includes unable adjustment base (1) and locates bracing piece (3) of unable adjustment base (1) both sides, fixed mounting has roof (2), its characterized in that on bracing piece (3): the inner cavities of the fixed base (1), the supporting rod (3) and the top plate (2) are communicated, the inner cavities of the fixed base (1) and the supporting rod (3) are respectively and rotatably connected with a transverse screw (12) and a longitudinal screw (11), the transverse screw (12) and the longitudinal screw (11) are connected through a gear set (14), the longitudinal screw (11) is connected with a first sliding plate (5) through threads, a support (7) is arranged between the first sliding plates (5) in an adjacent mode, the support (7) and the first sliding plate (5) are connected through an adjusting screw (6), a clamping plate (8) is arranged in the lower middle of the support (7), a second sliding plate (9) is movably connected to the transverse screw (12) in a bilateral symmetry mode, the second sliding plate (9) is movably clamped on the fixed base (1), the opposite face of the second sliding plate (9) is adjacent to the first sliding plate (10) is uniformly provided with a flexible pad (10), an inserting rod (17) is arranged on the outer end face of the flexible pad (10), a movable sliding plate (17) is sleeved on the inserting rod (17), and a U-shaped frame (16) is fixedly installed on the movable sliding plate (9).

2. The screw processing jig according to claim 1, characterized in that: the central lines of the transverse screw rod (12) and the longitudinal screw rod (11) are mutually vertical, and the longitudinal screw rod (11) is arranged at the upper left side and the upper right side of the transverse screw rod (12).

3. The screw processing jig according to claim 1, characterized in that: the middle part of the top plate (2) is provided with a double-shaft motor (18), and the double-shaft motor (18) is connected with the longitudinal screw (11) through a gear set (14).

4. The screw processing jig according to claim 1, characterized in that: the opposite surfaces of the supporting rods (3) are provided with limiting grooves (4), and the limiting grooves (4) are movably connected with first sliding plates (5) inside.

5. The screw processing jig according to claim 1, characterized in that: the clamping plate (8) is arranged above the middle of the adjacent second sliding plate (9), and hole grooves (15) corresponding to the flexible pads (10) are formed in the clamping plate (8) at equal intervals.

6. The screw processing jig according to claim 1, characterized in that: the return spring (13) is arranged in the U-shaped frame (16).

7. The screw processing jig according to claim 1, characterized in that: and the fixed base (1) is provided with a sliding chute corresponding to the second sliding plate (9).

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