Fixture for machining left and right shell components of finished product

Abstract

The utility model discloses a clamp for machining a left shell component and a right shell component of a finished product, and belongs to the technical field of machining clamp devices. The device comprises clamping plates, a left part groove and a right part groove are formed in the top end face of the clamping plate. Machining windows are formed in the groove bottoms of the left part groove and the right part groove; a side pressing block is installed at the position, between the left part groove and the right part groove, of the clamping plate. The two side end faces of the side pressing block are pressed on the two inclined side end faces of the left part to be machined and the two inclined side end faces of the right part to be machined correspondingly. A left support and a right support are further mounted on the clamping plate; push plates are movably mounted on the left support and the right support; one end of the push plate can be pressed at the position where the upper cylinders of the left part to be machined and the right part to be machined are connected with the side plate; according to the utility model, the problems of large accumulative error, high production cost and influence on product quality and production efficiency caused by the fact that a plurality of clamps are required to clamp and process in sequence when a shell component in the background technology is processed at present are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of machining fixtures, specifically to a fixture for machining left and right shell components of finished products. Background Technology

[0002] A cast, finished, paired shell component, such as Figures 1 to 3 As shown, the shell component includes a left shell and a right shell; when machining the casting, it is necessary to meet the following requirements. Figure 1 Accuracy of the cylinder end face and inner wall at point a; accuracy of the end plane at points b / d. Figure 2 Precision of the stepped circular hole at point e / f Figure 3 The accuracy of a total of eight frustums and circular holes at point g; In the past, when processing this shell component, different fixtures were used to clamp the left and right shells in turn and then process each point. However, this processing method obviously has the problems of large accumulated error, large equipment and personnel occupation, which can easily lead to the inability to guarantee product quality and improve production efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a fixture for processing the left and right shell components of finished products, so as to solve the problem that in the current process of processing shell components, multiple fixtures are required to clamp and process them in sequence, resulting in large cumulative errors, high production costs, and affecting product quality and production efficiency.

[0004] To solve the above problems, this utility model provides the following technical solution:

[0005] A fixture for machining finished left and right shell components includes a clamping plate; a left part slot and a right part slot are formed on the top end face of the clamping plate; the left part to be machined and the right part to be machined are respectively installed in the left part slot and the right part slot; machining windows are formed at the bottom of the left part slot and the right part slot; the machining windows are positioned opposite the upper frustum of the left part to be machined and the right part to be machined; a side pressure block is installed on the clamping plate at a position between the left part slot and the right part slot; the two side end faces of the side pressure block press against the two inclined side end faces of the left part to be machined and the right part to be machined, respectively; a left support and a right support are also installed on the clamping plate; push plates are movably installed on both the left support and the right support; one end of the push plate can press against the position where the upper cylinder of the left part to be machined and the right part to be machined meets the side plate.

[0006] Preferably, the clamping plate is an I-shaped plate structure; the left and right part slots are arranged in pairs, and the number of pairs of left and right part slots is not less than two; these left and right part slots are arranged in a row on the middle strip of the clamping plate.

[0007] Preferably, the length and width of the left part slot and the right part slot are uniform, and one end of the left part slot and the right part slot extends to one side end face of the clamping plate, so that the lower ring of the left part to be machined and the right part to be machined can be arranged opposite to the side end face of the clamping plate.

[0008] Preferably, a positioning slot for placing the side pressing block, the left support and the right support is formed on the upper top surface of the clamping plate; a positioning through hole is formed on the positioning slot; and the side pressing block, the left support and the right support are detachably installed at the positioning through hole through screws.

[0009] Preferably, the side pressing block is a T-shaped table structure, and the left and right ends of the side pressing block are inclined slopes which are attached to the inclined side end faces of the left part to be machined and the right part to be machined.

[0010] Preferably, the left support and the right support are similar in structure and are both vertical block structures, and an inclined sliding groove is formed on the block structure close to the side end faces of the left part slot and the right part slot; a push plate is movably installed at the inclined sliding groove, and a positioning slope is arranged on the upper side of the block structure; the positioning slope is perpendicular to the depth direction of the sliding groove; a through hole is formed on the positioning slope, and one end of the through hole is communicated with the groove bottom of the sliding groove; and the push plates on the left support and the right support can be pressed on the left part to be machined and the right part to be machined through left positioning screws and right positioning screws respectively.

[0011] Preferably, a notch is arranged on the bottom end of the push plate and matches the position where the upper cylinder of the left part to be machined and the right part to be machined is connected with the side plate.

[0012] The utility model discloses beneficial effects:

[0013] The utility model discloses a kind of clamp capable of cooperating with automatic rotary indexing head, it can realize the unified device to left part and right part, and through once clamping, it can guarantee that each hole to be machined, face provided is machined in place;It is easy to operate, and it can also clamp multiple groups of left and right parts once, greatly improve the efficiency of processing;It reduces the problem that cumulative error is big due to multiple positioning and clamping processing, effectively reduces production cost, improves yield. DRAWINGS

[0014] Figures 1 to 3 It is three-dimensional structure schematic view of finished product matched shell component in background art;

[0015] Figure 4 It is three-dimensional structure schematic view of the utility model in embodiment;

[0016] Figure 5 And Figure 6 It is three-dimensional structure schematic view of device in different visual angle respectively in Figure 4 ​

[0017] Figure 7 is a three-dimensional structural schematic view of a set of left supports, left positioning screws, push plates, right supports, right positioning screws and push plates in this embodiment;

[0018] Figure 8 is Figure 7 a three-dimensional structural schematic view of the device in another perspective view;

[0019] Figure 9 is a three-dimensional structural schematic view of the device after the left part to be machined and the right part to be machined are installed on the device of the utility model;

[0020] Figure 10 is Figure 9 a three-dimensional structural schematic view of the device in another perspective view;

[0021] Mark explanation: 1, clamp main plate, 2, left positioning screw, 3, left support, 4, left part to be machined, 5, push plate, 6, right support, 7, right positioning screw; 8, side pressing block, 9, screw; 10, right part to be machined, 11, left part slot, 12, right part slot, 13, machining window. DETAILED DESCRIPTION

[0022] The utility model will be further introduced in combination with the drawings and specific embodiments:

[0023] Embodiment:

[0024] Referring to Figure 1 , the embodiment provides a clamp for machining left and right shell members of finished products; it includes a clamp plate 1; a left part slot 11 and a right part slot 12 are opened on the top end face of the clamp plate 1; the left part to be machined 4 and the right part to be machined 10 are respectively installed in the left part slot 11 and the right part slot 12; a machining window 13 is opened on the groove bottom of the left part slot 11 and the right part slot 12; the machining window 13 is opposite the circular table on the left part to be machined 4 and the right part to be machined 10; a side pressing block 8 is installed on the clamp plate 1 at the position between the left part slot 11 and the right part slot 12; the two side end faces of the side pressing block 8 are respectively pressed on the two inclined side end faces on the left part to be machined 4 and the right part to be machined 10; a left support 3 and a right support 6 are also installed on the clamp plate 1; a push plate 5 can be movably installed on the left support 3 and the right support 6; one end of the push plate 5 can be pressed on the position where the upper cylinder of the left part to be machined 4 and the right part to be machined 10 meets the side plate.

[0025] The clamp plate 1 is a H-shaped plate structure; the left part slot 11 and the right part slot 12 are both arranged in pairs, and the number of pairs of the left part slot 11 and the right part slot 12 is not less than two pairs; these left part slots 11 and right part slots 12 are arranged in a row on the middle strip plate of the clamp plate 1. The left part slot 11 and the right part slot 12 in this embodiment have three pairs in total.

[0026] The length and width of the left part slot 11 and the right part slot 12 are uniform, and one end of the left part slot 11 and the right part slot 12 extends to one side end face of the clamp plate 1, so that the lower ring of the left part 4 and the right part 10 to be machined can be arranged opposite to the side end face of the clamp plate 1.

[0027] A positioning slot for placing the side pressing block 8, the left support 3 and the right support 6 is opened on the upper top face of the clamp plate 1; a positioning through hole is opened on the positioning slot; the side pressing block 8, the left support 3 and the right support 6 are detachably installed at the positioning through hole through the screw 9.

[0028] The side pressing block 8 is a T-shaped table structure, and the left and right ends of the side pressing block 8 are inclined slopes which are attached to the inclined side end faces of the left part 4 and the right part 10 to be machined.

[0029] The left support 3 and the right support 6 are similar in structure, and are both a vertical block structure, and an inclined sliding slot is opened on the block structure close to the side end face of the left part slot 11 and the right part slot 12; the push plate 5 can be movably installed at the inclined sliding slot, and a positioning slope is further arranged on the upper side of the block structure; the positioning slope is perpendicular to the depth direction of the sliding slot; a through hole is opened on the positioning slope, and one end of the through hole is communicated with the groove bottom of the sliding slot; the push plate 5 on the left support 3 and the right support 6 can be pressed on the left part 4 and the right part 10 to be machined through the left positioning screw 2 and the right positioning screw 7 respectively.

[0030] A notch is arranged on the bottom end of the push plate 5, which cooperates with the position where the upper cylinder of the left part 4 and the right part 10 to be machined is connected with the side plate.

[0031] When the device of the embodiment is used, the following steps can be referred to for processing:

[0032] 1. The left part 4 and the right part 10 to be machined are respectively arranged in the left part slot 11 and the right part slot 12, so that the two side edges of the parts are inserted into the corresponding slots of the clamp main plate, and the limiting edges and the table limiting surface are limited.

[0033] 2. The parts are pressed tightly through the positioning screws on the left and right supports and the screws on the side pressing block, and then the clamp main plate is installed on the machining table.

[0034] 3. All the machined surfaces and holes on the front side of the left and right parts are machined.

[0035] 4. The clamp is turned by 90°, and the four circular tables and small holes in the middle position of the left and right parts are machined (the tool can be inserted into the machining window on the clamp main plate to machine the parts).

[0036] 5. The clamp is turned by another 90°, and all the machined surfaces and holes on the rear side of the left and right parts are machined.

Claims

1. A jig for machining a left and right shell member of a finished product, characterized by: It includes the clamp plate (1), the left part slot (11) and the right part slot (12) are opened on the top end surface of the clamp plate (1), the left part (4) and the right part (10) are installed in the left part slot (11) and the right part slot (12) respectively, the processing window (13) is opened on the slot bottom of the left part slot (11) and the right part slot (12), the processing window (13) is opposite to the circular table on the left part (4) and the right part (10), the side pressing block (8) is installed on the clamp plate (1) between the left part slot (11) and the right part slot (12), the two side end surfaces of the side pressing block (8) are pressed on the two inclined side end surfaces on the left part (4) and the right part (10) respectively, the left support (3) and the right support (6) are installed on the clamp plate (1), the push plate (5) is movably installed on the left support (3) and the right support (6), one end of the push plate (5) can be pressed on the position where the upper cylinder of the left part (4) and the right part (10) meets the side plate.

2. A jig for machining a left and right housing member of a finished product according to claim 1, characterized by: The clamp plate (1) is a H-shaped plate structure, the left part slot (11) and the right part slot (12) are arranged in pairs, and the number of pairs of the left part slot (11) and the right part slot (12) is not less than two pairs, and the left part slot (11) and the right part slot (12) are arranged in a row on the middle strip of the clamp plate (1).

3. A fixture for machining left and right shell members of a finished product according to claim 1, characterized in that: The length and width of the left part slot (11) and the right part slot (12) are consistent, and one end of the left part slot (11) and the right part slot (12) extends to one side end surface of the clamp plate (1), so that the lower ring of the left part (4) and the right part (10) can be arranged opposite to the side end surface of the clamp plate (1).

4. A fixture for machining left and right shell members of a finished product according to claim 1, characterized in that: The positioning groove for placing the side pressing block (8), the left support (3) and the right support (6) is opened on the top surface of the clamp plate (1), the positioning through hole is opened on the positioning groove, and the side pressing block (8), the left support (3) and the right support (6) are detachably installed through the screw (9) at the positioning through hole.

5. A fixture for machining left and right shell members of a finished product according to claim 1, characterized in that: The side pressing block (8) is a T-shaped table structure, and the left and right end sides of the side pressing block (8) are inclined slopes which are attached to the inclined side end surfaces of the left part (4) and the right part (10).

6. A fixture for machining left and right shell members of a finished product according to claim 1, characterized in that: The left support (3) and the right support (6) are similar in structure and are a vertical block structure, an inclined sliding groove is opened on the side end surface of the block structure close to the left part slot (11) and the right part slot (12), the push plate (5) is movably installed in the inclined sliding groove, and a positioning slope is arranged on the upper side of the block structure, the depth direction of the positioning slope is perpendicular to the sliding groove, a through hole is opened on the positioning slope, one end of the through hole is communicated with the groove bottom of the sliding groove, and the push plate (5) on the left support (3) and the right support (6) can be pressed on the left part (4) and the right part (10) through the left positioning screw (2) and the right positioning screw (7) respectively.

7. A fixture for machining left and right shell members of a finished product according to claim 1, characterized in that: The notch is arranged on the bottom end of the push plate (5) and matches the position where the upper cylinder of the left part (4) and the right part (10) meets the side plate.

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