CN112077606A - A universal fixing bracket for drilling and milling - Google Patents

Abstract

The invention relates to the technical field of mechanical processing, and specifically discloses a universal fixed bracket for drilling and milling, comprising a rotary support mechanism, a horizontal sliding mechanism and a horizontal rotation mechanism. The horizontal sliding mechanism is composed of a sliding rail, a side support plate, a left and right screw, a driving motor I and a horizontal sliding seat; the horizontal rotating mechanism is composed of a steering seat, a support frame and a socket; in the present invention, by horizontal sliding The mechanism and the horizontal rotation mechanism realize the positioning and clamping of various structural parts, thus improving the use range of the entire device; through the driving motor II, the driving gear and the ring gear are engaged in the transmission, and then the rotating support seat is driven around the rotating shaft I on the upper end of the fixed base. Corresponding to the rotation action of the angle, the present invention can be properly adjusted according to the processing angle, which reduces the number of clamping times, improves the processing accuracy, shortens the processing time, and improves the processing efficiency.

Description

A universal fixing bracket for drilling and milling

technical field

The invention relates to the technical field of mechanical processing, in particular to a universal fixing bracket for drilling and milling.

Background technique

In mechanical processing, drilling and milling is a common processing method. Before drilling and milling, the workpiece needs to be positioned. The existing drilling and milling platform generally uses a simple positioning tool to clamp and position the workpiece that needs to be drilled and milled. The production of tooling is relatively simple, and the clamping and positioning are more flexible. When processing some relatively complex workpieces, specific auxiliary tooling is required to complete. Generally, specific tooling assistance is required for the processing of each part. These tooling have specific functions. After use They can meet the general clamping and positioning requirements, but they still have the following disadvantages in the actual use process:

1. Simple tooling and general special positioning tooling, the former can only meet the clamping and positioning requirements of general structural parts, the latter can only meet the positioning and clamping requirements of a single workpiece, and its scope of application is narrow, compared to a variety of parts. Positioning and clamping , requires multiple tooling to meet, which will increase the processing cost;

2. In the drilling and milling tooling in the prior art, in the process of clamping and positioning, when the workpiece is processed at multiple angles, it is generally necessary to change the clamping station, and then perform positioning processing, which increases the cumulative error of repeated positioning. , reducing the machining accuracy, and at the same time, repeated positioning prolongs the processing time and reduces the processing efficiency to a certain extent.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a universal fixing bracket for drilling and milling, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a universal fixing bracket for drilling and milling, comprising a rotating support mechanism, a horizontal sliding mechanism provided at the upper end of the rotating support mechanism, and a horizontal sliding mechanism symmetrically arranged on both sides of the upper end of the horizontal sliding mechanism. A rotating mechanism, the rotating support mechanism is composed of a fixed base and a rotating support seat hinged in the middle of the upper end of the fixed base, the fixed base is composed of a fixed base plate and an intermediate support plate fixed between the upper end of the fixed base plate, the rotating support seat is composed of The supporting top plate is composed of the rotating side plates fixed on both sides of the middle of the lower end of the supporting top plate;

The horizontal sliding mechanism is composed of the sliding rail, the side support plates symmetrically arranged at the left and right ends of the sliding rail, the left and right rotating screws matched by the bearings in the middle of the side support plate, the drive motor I fixedly installed on the side of the side support plate, and the left and right sides of the upper end of the sliding rail. It is composed of a horizontal sliding seat with symmetrical sliding on both sides;

The horizontal rotation mechanism is composed of a steering seat, a support frame fixedly mated at the upper end of the steering seat, and a socket that is fixedly fitted on the side of the support frame.

Preferably, the sliding rail is symmetrically installed on the upper end surface of the supporting top plate, and the middle of the lower end of the horizontal sliding seat is screwed with the left and right screw rods.

Preferably, the upper end of the horizontal sliding seat is fixedly provided with a base I, and a rotation groove is opened in the middle of the base I, and four limit planes are uniformly distributed on the outer surface of the base I in the circumferential direction.

Preferably, the upper end of the steering seat is provided with a base II, and the lower end of the base II is fixedly connected with a rotating shaft II matched with the rotating groove through a bearing.

Preferably, a limit support plate with an L-shaped plate structure is fixed at a position on the outer side of the base II corresponding to the limit plane, and a rotary handle is fixedly connected to the upper end of the outer side of the limit support plate. An adjustment screw I is screwed at a position corresponding to the limit plane in the middle of the outer side surface of the limit support plate.

Preferably, the middle of the middle support plate is equipped with a rotating shaft I through a bearing, and the rotating shaft I is fixedly fitted with the two side walls of the rotating side plate, and the front and rear sides of the middle support plate are symmetrically provided with circular arc grooves The drive slot of the body structure is fixed with a ring gear on the inner side of the drive slot.

Preferably, a drive motor II is installed symmetrically and fixedly on the outer side of the rotating side plate, and a gear meshing with the ring gear is fixedly sleeved on the main shaft of the drive motor II and in the groove body of the drive slot.

Preferably, on the outer side of the support frame and on the end face of the socket, a flat plate fixing clip, a cylindrical workpiece axial fixing chuck, a cylindrical workpiece radial fixing chuck and the end of the central hole are fixed and inserted respectively. The clamping head, the flat plate fixing clamping plate, the cylindrical workpiece axial fixing clamping head, the cylindrical workpiece radial fixing clamping head and the central hole piece end fixing clamping head are respectively symmetrical about the middle of the supporting top plate.

Preferably, wave-shaped anti-skid grooves are evenly distributed on the end surface of the flat plate fixing card, and a square groove body is formed on the end surface of the axial fixing clamp of the cylindrical workpiece, and the upper end of the square groove body is formed An adjusting screw II is screwed.

Preferably, a crisscross V-shaped clamping groove is provided on the end surface of the radial fixing chuck of the cylindrical workpiece, and a top cone with a conical surface structure is provided on the end surface of the fixing chuck at the end of the central hole.

Compared with the prior art, the beneficial effects of the present invention are: the present invention has a reasonable structure, strong functionality, and the following advantages:

1. In the present invention, the positioning and clamping of various structural parts are realized through the horizontal sliding mechanism and the horizontal rotating mechanism, thus improving the use range of the entire device;

2. In the present invention, the driving motor II drives the gear and the ring gear to engage and drive, thereby driving the rotating support base to rotate around the rotating shaft I at the upper end of the fixed base to perform a corresponding angle of rotation. During processing, the present invention can be appropriately adjusted according to the processing angle, thereby reducing the number of clamping times, improving the processing precision, shortening the processing time, and improving the processing efficiency.

Description of drawings

Fig. 1 is the axial side view of the overall structure of the present invention;

Fig. 2 is the front view of the overall structure of the present invention;

Fig. 3 is a half-section view of the axial side of the cross-sectional structure at B-B in Fig. 2;

Fig. 4 is an axial half-section view of the cross-sectional structure at C-C in Fig. 2;

Figure 5 is a right side view of the overall structure of the present invention.

In the figure: 1. Fixed base; 2. Rotating support seat; 3. Slide rail; 4. Side support plate; 5. Left-right screw; 6. Drive motor I; 7. Horizontal slide seat; 8. Steering seat; Support frame; 10, socket connection; 11, flat plate fixing card; 12, axial fixing chuck for cylindrical workpiece; 13, radial fixing chuck for cylindrical workpiece; 14, fixing chuck at the end of central hole; 101, fixing bottom plate ; 102, middle support plate; 103, drive slot; 104, ring gear; 105, shaft I; 201, support top plate; 202, rotating side plate; 203, drive motor II; 204, gear; 701, base I; 702, Rotating groove; 703, limit plane; 801, base II; 802, limit support plate; 803, adjusting screw I; 804, rotating handle; 805, rotating shaft II.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 5 , the present invention provides a technical solution: a universal fixing bracket for drilling and milling, comprising a rotating support mechanism, a horizontal sliding mechanism provided at the upper end of the rotating support mechanism, and two sides of the upper end of the horizontal sliding mechanism Symmetrically arranged horizontal rotating mechanism, the rotating support mechanism is composed of a fixed base 1 and a rotating support base 2 hinged in the middle of the upper end of the fixed base 1, and the fixed base 1 is composed of a fixed bottom plate 101 and the middle of the fixed bottom plate 101. , the rotating support base 2 is composed of the supporting top plate 201 and the rotating side plates 202 fixed on both sides of the lower end of the supporting top plate 201, wherein the fixed bottom plate 101 acts as a bottom support for the whole device, and the middle supporting plate 102 rotates relatively The support base 2 plays the role of a rotating support, and the rotating support base 2 plays a supporting role relative to the horizontal sliding mechanism; 4. The middle of the side support plate 4 is formed by the left and right rotating screw 5 matched by the bearing, the drive motor 16 fixedly installed on the side of the side support plate 4 and the horizontal sliding seat 7 symmetrically sliding on the left and right sides of the upper end of the slide rail 3. Here, The drive motor 16 provides a power source for the entire horizontal sliding mechanism, while the slide rail 3 provides a guiding support for the horizontal slide 7, and the side support plate 4 provides a rotational support for the left and right screw 5;

The horizontal rotation mechanism is composed of a steering seat 8, a support frame 9 that is fixedly mated at the upper end of the steering seat 8, and a socket 10 that is fixedly fitted on the side of the support frame 9. Here, the steering seat 8 provides a rotation support for the entire horizontal rotation mechanism. , the support frame 9 provides a fixed support for the socket 10 .

Further, the slide rail 3 is symmetrically installed on the upper end face of the support top plate 201, the middle of the lower end of the horizontal slide 7 is screwed with the left and right screw 5, and the drive motor 16 is started to drive the left and right screw 5 and the horizontal slide 7. Then, the horizontal sliding seat 7 moves symmetrically left and right on the upper end of the rotating support seat 2 along the guide of the sliding rail 3, and then the entire rotating support mechanism can be controlled to position, fasten or loosen the workpiece relative to the workpiece. The upper end of the horizontal sliding seat 7 is fixedly provided with a base I 701, and a rotating groove 702 is provided in the middle of the base I 701, and four limit planes 703 are uniformly distributed in the circumferential direction on the outer side of the base I 701. Here, the base I 701 plays a supporting role relative to the steering seat 8 , while the rotating groove 702 plays a role of a rotation guiding support relative to the steering seat 8 , and the limiting plane 703 plays a limiting role relative to the steering seat 8 .

More specifically, the upper end of the steering seat 8 is provided with a base II 801, and the lower end of the base II 801 is fixedly connected with a rotating shaft II 805 that is matched with the rotating groove 702 through bearings. Through this structure, the steering seat 8 can be Each component with the upper end of the steering seat 8 rotates in the rotation groove 702 around the rotation axis II 805 . A limit support plate 802 with an L-shaped plate-like structure is fixed on the outer surface of the base II 801 at a position corresponding to the limit plane 703 , and a rotary handle 804 is fixedly connected to the upper end of the outer side of the limit support plate 802 . The limit support plate An adjustment screw I803 is screwed at the position corresponding to the limit plane 703 in the middle of the outer side of the 802. When the steering of the support frame 9 needs to be adjusted, the base II 801 can be rotated by holding the rotary handle 804. When the steering of the support frame 9 is adjusted to the corresponding position At this time, the position of the limit support plate 802 corresponds to the limit plane 703, and the adjusting screw I 803 is tightened, so that the top end of the adjustment screw I 803 supports the limit plane 703 and the limit support plate 802 tightly, thereby making the steering The seat 8 and the horizontal sliding seat 7 are in a stable fixed state, and the steering positioning of the support frame 9 is completed.

The middle of the middle support plate 102 is fitted with a rotating shaft I 105 through a bearing, and the rotating shaft I 105 is fixedly fitted with the two side walls of the rotating side plate 202. This structure enables the fixed base 1 and the rotating support base 2 to rotate around the rotating shaft I 105. For relative rotation, the front and rear sides of the middle support plate 102 are symmetrically provided with a drive slot 103 with a circular arc slot structure, and a ring gear 104 is fixed on the inner side of the drive slot 103 . A drive motor II 203 is installed symmetrically and fixedly on the outer side of the rotating side plate 202, and a gear 204 meshing with the ring gear 104 is fixedly sleeved on the main shaft of the drive motor II 203 and in the groove body of the drive slot 103 to drive the drive The motor II 203 drives the gear 204 to engage with the ring gear 104 for transmission, thereby making the rotating support base 2 rotate around the rotating shaft I 105 at the upper end of the fixed base 1 to a corresponding angle. Through this operation, the processing angle of the intermediate workpiece of the horizontal rotating mechanism can be adjusted.

The outer surface of the support frame 9 and the end surface of the socket 10 are respectively fixed and inserted with a flat plate fixing clip 11, a cylindrical workpiece axial fixing chuck 12, a cylindrical workpiece radial fixing chuck 13 and the end of the central hole. The chuck 14, the flat plate fixing chuck 11, the axial fixing chuck 12 for the cylindrical workpiece, the radial fixing chuck 13 for the cylindrical workpiece, and the fixing chuck 14 at the end of the central hole are respectively symmetrical about the middle of the supporting top plate 201, which is This symmetrical structure can position and clamp both sides of the workpiece as synchronously as possible.

Wave-shaped anti-skid grooves are evenly distributed on the end face of the flat plate fixing card 11. This anti-slip structure can effectively prevent the workpiece from slipping off between the end faces of the flat plate fixing card 11. There is a square groove body, and the upper end of the square groove body is screwed with adjusting screw II. When installing, insert both ends of the workpiece into the square groove body, and lock the workpiece by tightening the adjusting screw II. This structure not only It can meet the positioning of pipe fittings, and can also meet the positioning of both ends of solid rods. The end face of the cylindrical workpiece radial fixing chuck 13 is provided with a cross V-shaped structure slot, which can meet the requirements of circular pipe fittings or The clamping and positioning of the outer circle of the rod can also meet the clamping and positioning of the square pipe or the outer wall of the rod. The end face of the fixed chuck 14 at the end of the central hole is provided with a top cone with a conical surface structure, so it can meet the requirements of both ends. Clamping and positioning of parts with center holes.

The working principle of the present invention:

During operation, according to the shape of the workpiece and the structure of the positioning surface, the steering seat 8 can be rotated to make the flat plate on the side of the support frame 9 fix the clamping plate 11, the cylindrical workpiece axially fixing chuck 12, and the cylindrical workpiece radial fixing chuck 13 and the center hole. The fixed chuck 14 at the end of the piece is adjusted to the corresponding working position, and then the adjusting screw I803 is tightened to make the steering seat 8 in a fixed state on the upper end of the horizontal slide 7, and the workpiece is suspended between the two support frames 9, so that the workpiece is in a fixed state. The two ends correspond to the components on the side of the support frame 9 respectively;

Then drive the drive motor 16 to make the two support frames 9 move oppositely along the guide of the slide rail 3 on the upper end of the rotating support base 2, and then clamp the workpiece in the middle. When the machining hole on the workpiece is an inclined hole, it can be The drive motor II 203 is controlled to drive the gear 204 and the ring gear 104 to engage and drive, so that the rotary support base 2 and the workpiece at the upper end of the rotary support base 2 are adjusted to the corresponding angle together. At this time, the overall positioning of the workpiece is completed, and the entire positioning process is relatively simple. , and can meet the positioning requirements of various parts, and has wide applicability. When a part needs to be processed with multiple angles of holes, the present invention can complete multiple angle positioning through one clamping, so the positioning accuracy is improved. processing efficiency.

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

Claims (10)

1. a universal fixing bracket for drilling and milling, comprising a horizontal rotating mechanism that is symmetrically arranged on both sides of the upper end of the rotating support mechanism, the horizontal sliding mechanism of the rotating support mechanism and the upper end of the horizontal sliding mechanism, it is characterized in that: the rotation The support mechanism is composed of a fixed base (1) and a rotating support base (2) hinged in the middle of the upper end of the fixed base (1). The middle support plate (102) is formed, and the rotating support base (2) is formed by the supporting top plate (201) and the rotating side plates (202) fixed on both sides of the lower end of the supporting top plate (201); The horizontal sliding mechanism consists of a slide rail (3), a side support plate (4) symmetrically arranged at the left and right ends of the slide rail (3), a left-right screw (5) matched by a bearing in the middle of the side support plate (4), The drive motor I (6) fixedly installed on the side of the side support plate (4) and the horizontal sliding seat (7) symmetrically slidingly matched on the left and right sides of the upper end of the slide rail (3) are formed; The horizontal rotation mechanism is composed of a steering seat (8), a support frame (9) fixedly mated at the upper end of the steering seat (8), and a socket (10) fixedly fitted on the side of the support frame (9). 2. A universal fixing bracket for drilling and milling according to claim 1, characterized in that: the sliding rail (3) is symmetrically installed on the upper end surface of the supporting top plate (201), and the horizontal sliding seat (7) The middle of the lower end is screwed with the left-right screw (5). 3. a kind of universal fixing bracket for drilling and milling according to claim 1, is characterized in that: the upper end of described horizontal sliding seat (7) is fixedly provided with base I (701), and at the bottom of base I (701) A rotation groove (702) is opened in the middle, and four limit planes (703) are uniformly distributed on the outer side of the base I (701). 4. A universal fixing bracket for drilling and milling according to claim 3, characterized in that: the upper end of the steering seat (8) is provided with a base II (801), and is fixed at the lower end of the base II (801). A rotating shaft II (805) matched with the rotating groove (702) through a bearing is connected. 5. A universal fixing bracket for drilling and milling according to claim 4, characterized in that: an L-shaped plate is fixed at a position corresponding to the limiting plane (703) on the outer side of the base II (801). A limit support plate (802) with a shape of a structure, the upper end of the outer side of the limit support plate (802) is fixedly connected with a rotary handle (804), and the middle of the outer side of the limit support plate (802) corresponds to the limit plane The adjusting screw I (803) is screwed at the position of (703). 6. A kind of universal fixing bracket for drilling and milling according to claim 1, characterized in that: the middle of the intermediate support plate (102) is equipped with a rotating shaft I (105) through a bearing, and the rotating shaft I (105) It is fixedly fitted with the two side walls of the rotating side plate (202), and the front and rear sides of the intermediate support plate (102) are symmetrically provided with a driving groove (103) with a circular arc groove structure, and the driving groove (103) ) is fixedly provided with a ring gear (104). 7 . The universal fixing bracket for drilling and milling according to claim 6 , wherein a drive motor II ( 203 ) is symmetrically and fixedly installed on the outer surface of the rotating side plate ( 202 ), and the drive motor A gear (204) meshing with the ring gear (104) is fixedly sleeved on the main shaft of the II (203) and in the groove body of the driving groove (103). 8 . The universal fixing bracket for drilling and milling according to claim 1 , wherein a flat plate is respectively fixed and inserted on the outer side of the support frame (9) and on the end face of the socket (10). 9 . A fixed clamping plate (11), a cylindrical workpiece axial fixing clamp (12), a cylindrical workpiece radial fixing clamp (13) and a central hole piece end fixing clamp (14), the flat plate fixing clamp (11) , The cylindrical workpiece axial fixing chuck (12), the cylindrical workpiece radial fixing chuck (13) and the central hole piece end fixing chuck (14) are respectively symmetrical about the middle of the support top plate (201). 9 . The universal fixing bracket for drilling and milling according to claim 8 , wherein the end face of the flat plate fixing card (11) is evenly provided with wave-shaped anti-skid grooves, and the cylindrical workpiece shaft A square groove body is opened on the end face of the fixed clip (12), and an adjusting screw II is screwed on the upper end of the square groove body. 10. A universal fixing bracket for drilling and milling according to claim 8, characterized in that: the end face of the cylindrical workpiece radial fixing chuck (13) is provided with a cross V-shaped clamping groove and a top cone with a conical surface structure is arranged on the end surface of the end fixing chuck (14) of the central hole piece.

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