Quick-change jig

Abstract

The utility model discloses a quick-change jig, relates to the technical field of part machining, and solves the technical problems that most of the existing jigs are replaced by manual operation, the disassembly and assembly procedures are tedious, the replacement efficiency of the jigs is reduced, and then the machining efficiency of parts is influenced. Comprising a base and an assembly table arranged on the base. The jig frame is arranged on the assembly table, an assembly notch is formed in the jig frame, and a trapezoidal lap table is arranged in the assembly notch; the fixing jig is arranged in the assembling notch, and the edge of the bottom face of the fixing jig is provided with a notch matched with the trapezoidal lap table for installation; the double-end lead screw is arranged in the assembly table, the two sides of the double-end lead screw are each sleeved with a sliding seat, and the two sliding seats are connected with a first fixed insertion plate and a second fixed insertion plate correspondingly; according to the utility model, the fixing jig can be automatically clamped and fixed, so that the fixing jig can be conveniently disassembled, assembled and replaced, the operation procedures are reduced, and the replacement efficiency of the fixing jig is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of parts processing, and in particular relates to a quick-change fixture. Background Art

[0002] A fixture is a large category of tools used in carpentry, ironwork, fitter, machinery, electronic control and other handicrafts. It is mainly used to assist in controlling position or movement or both. Fixtures can be divided into three categories: process assembly fixtures, project test fixtures and circuit board test fixtures.

[0003] At present, when processing different parts, corresponding jigs for fixing parts are selected and installed on the processing table. However, the existing jig replacement is mostly done manually, which is a tedious process. There are many disassembly and assembly procedures, which reduces the efficiency of jig replacement and further affects the processing efficiency of parts.

[0004] Therefore, based on the above problems, we designed a quick-change fixture. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a quick-change fixture, which solves the technical problem that the existing fixture replacement is mostly manual operation, the cumbersome disassembly and assembly process reduces the fixture replacement efficiency, and thus affects the processing efficiency of parts.

[0006] To achieve the above-mentioned purpose, according to an embodiment of the first aspect of the utility model, a quick-change fixture is provided, comprising a base and an assembly table arranged on the base;

[0007] Also includes:

[0008] A fixture frame is arranged on the assembly table, wherein an assembly notch is arranged in the fixture frame, and a trapezoidal platform is arranged in the assembly notch;

[0009] A fixing fixture is arranged in the assembly notch, and a notch for matching the installation of the trapezoidal platform is arranged at the bottom edge of the fixing fixture;

[0010] The double-headed lead screw is arranged in the assembly table. A sliding seat is sleeved on each of the two sides of the double-headed lead screw. A fixed plug plate 1 and a fixed plug plate 2 are respectively connected to the two sliding seats.

[0011] A further improvement is that a mounting groove is provided on the surface of the assembly table, the double-headed screw is rotatably arranged in the mounting groove, a limit rod is arranged in the mounting groove above the double-headed screw, and the two sliding seats are movably mounted on the limit rods respectively.

[0012] A further improvement is that the double-ended lead screw is driven by a servo motor externally arranged on the side of the assembly table. The servo motor drives the double-ended lead screw to rotate, driving the sliding seat and fixed plug plate 1 on one side and the sliding seat and fixed plug plate 2 on the other side to move closer to each other until the fixed plug plate 1 and the fixed plug plate 2 are respectively inserted into the slots on the sides of the fixed fixture, thereby automatically clamping and fixing the fixed fixture, thereby realizing convenient disassembly, assembly and replacement of the fixed fixture.

[0013] A further improvement is that the two side surfaces of the jig frame are connected with U-shaped rods, each U-shaped rod is provided with a pair of latch rods inserted into the jig frame and the U-shaped rod, each latch rod is sleeved with a compression spring, and the side surface of the compression spring is connected to the side surface of the U-shaped rod.

[0014] A further improvement is that a positioning slot is provided on the side of the fixing fixture at a position corresponding to each latch rod.

[0015] A further improvement is that a slot is provided on the side of the fixing fixture at a position corresponding to the first fixing plug plate and the second fixing plug plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The utility model moves the latch rods on both sides of the fixture frame to compress the compression springs, so that the compression springs generate a rebound force. After the fixed fixture and the parts are placed in the fixture frame, the notch at the bottom edge of the fixed fixture is matched and stuck in the port of the trapezoidal platform. Then the latch rod is released, and the latch rod is inserted into the positioning slot under the action of the rebound force of the compression spring, so as to achieve preliminary positioning and prevent displacement during clamping;

[0018] (2) The utility model starts the servo motor to drive the double-headed screw to rotate, thereby driving the sliding seat and fixed plug plate 1 on one side and the sliding seat and fixed plug plate 2 on the other side to move closer to each other, until the fixed plug plate 1 and the fixed plug plate 2 are respectively inserted into the slots on the sides of the fixed fixture, thereby automatically clamping and fixing the fixed fixture, and realizing convenient disassembly, assembly and replacement of the fixed fixture. This device reduces the operating procedures, improves the replacement efficiency of the fixed fixture, and further improves the processing efficiency of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the utility model in a front view in cross section;

[0021] Figure 3 This utility model Figure 2 Enlarged structural diagram at A in the middle.

[0022] Markings in the figure:

[0023] 1. Base; 11. Assembly table; 12. Fixture frame; 13. Assembly notch; 14. Trapezoidal platform; 15. Installation slot;

[0024] 2. Fixing fixture; 21. Notch; 22. Positioning slot; 23. Card slot;

[0025] 3. Double-ended lead screw; 31. Sliding seat; 32. Fixed plug plate 1; 33. Fixed plug plate 2; 34. Limit rod; 35. Servo motor;

[0026] 4. U-shaped rod; 41. latch rod; 42. compression spring. DETAILED DESCRIPTION

[0027] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1 and Figure 3 As shown, a quick-change fixture comprises:

[0029] The base 1 and the assembly table 11 arranged on the base 1 are installed: the base 1 is installed on the machine tool by locking;

[0030] A fixture frame 12 is arranged on the assembly platform 11, an assembly notch 13 is arranged in the fixture frame 12, and a trapezoidal platform 14 is arranged in the assembly notch 13;

[0031] like Figure 2 As shown, the implementation also includes: a double-ended screw 3, which is arranged in the assembly table 11, and a sliding seat 31 is sleeved on each side of the double-ended screw 3, and a fixed plug plate 1 32 and a fixed plug plate 2 33 are respectively connected to the two sliding seats 31;

[0032] In the present embodiment, specifically, a mounting groove 15 is provided on the surface of the assembly table 11, and the double-headed screw 3 is rotatably arranged in the mounting groove 15. A limit rod 34 is provided in the mounting groove 15 above the double-headed screw 3, and two sliding seats 31 are movably sleeved on the limit rod 34 respectively. The double-headed screw 3 is driven by a servo motor 35 externally arranged on the side of the assembly table 11. The double-headed screw 3 is driven to rotate by the servo motor 35, and the sliding seat 31 and the fixed plug plate 1 32 on one side and the sliding seat 31 and the fixed plug plate 2 33 on the other side are driven to move closer to each other, until the fixed plug plate 1 32 and the fixed plug plate 2 33 are respectively inserted into the slots 23 on the side of the fixed fixture 2, so as to automatically clamp and fix the fixed fixture 2, and realize the convenient disassembly and replacement of the fixed fixture 2;

[0033] like Figure 2 and Figure 3 As shown, the implementation includes: a fixed fixture 2, which is arranged in the assembly notch 13, and a notch 21 is arranged at the bottom edge of the fixed fixture 2 to match the installation of the trapezoidal platform 14. During installation, the notch 21 at the bottom edge of the fixed fixture 2 is matched and stuck in the port of the trapezoidal platform 14, which helps to improve the assembly efficiency;

[0034] Among them, a positioning slot 22 is provided on the side of the fixed fixture 2 at a position corresponding to each latch rod 41, which is used to cooperate with the installation of the latch rod 41; a card slot 23 is provided on the side of the fixed fixture 2 at a position corresponding to the fixed plug plate 1 32 and the fixed plug plate 2 33, which is used to cooperate with the installation of the fixed plug plate 1 32 and the fixed plug plate 2 33, and the sliding seat 31 and the fixed plug plate 1 32 on one side and the sliding seat 31 and the fixed plug plate 2 33 on the other side are brought close to each other, so that the fixed plug plate 1 32 and the fixed plug plate 2 33 are respectively inserted into the card slot 23 on the side of the fixed fixture 2, so as to automatically clamp and fix the fixed fixture 2;

[0035] like Figure 2 As shown, in this embodiment, U-shaped rods 4 are additionally connected to the two side surfaces of the jig frame 12, and each U-shaped rod 4 is provided with a pair of latch rods 41 inserted into the jig frame 12 and the U-shaped rod 4, and each latch rod 41 is sleeved with a compression spring 42, and the side surface of the compression spring 42 is connected to the side surface of the U-shaped rod 4, and the compression spring 42 generates a rebound force by moving the latch rods 41 on both sides of the jig frame 12 and compressing the compression spring 42. After the fixed jig 2 is placed together with the parts in the jig frame 12, when the latch rod 41 is released, the latch rod 41 is inserted into the positioning slot 22 under the action of the rebound force of the compression spring 42, so as to achieve preliminary positioning, and prevent displacement during automatic clamping.

[0036] like Figures 1 to 3 As shown, in this embodiment, it should be noted that the actual size of each component in the application document is selected before implementation according to the actual needs on site. Before implementation, the parts are pre-installed on the fixed fixture 2. In addition, it should be noted that this application document only aims at the replacement of existing fixtures, most of which are replaced manually, and the cumbersome disassembly and assembly process reduces the replacement efficiency of the fixture, thereby affecting the processing efficiency of the parts. It does not involve other aspects; the working principle of this quick-change fixture is introduced as follows:

[0037] During installation and use, the staff first selects the corresponding fixing jig 2 according to the parts (columnar, plate-shaped, polygonal, etc.), and installs the parts on the fixing jig 2, and then moves the latch rods 41 on both sides of the jig frame 12 and compresses the compression springs 42, so that the compression springs 42 generate a rebound force. In this way, after the fixing jig 2 and the parts are placed in the jig frame 12, the notch 21 at the bottom edge of the fixing jig 2 is matched and stuck in the port of the trapezoidal platform 14. When the latch rod 41 is released, the latch rod 41 is inserted into the positioning slot 22 under the action of the rebound force of the compression spring 42 to achieve preliminary positioning, which can prevent deviation during automatic clamping;

[0038] Then, the servo motor 35 is started to drive the double-headed screw 3 to rotate, driving the sliding seat 31 and the fixed plug plate 1 32 on one side and the sliding seat 31 and the fixed plug plate 2 33 on the other side to move closer to each other, until the fixed plug plate 1 32 and the fixed plug plate 2 33 are respectively inserted into the slots 23 on the sides of the fixed fixture 2, so as to automatically clamp and fix the fixed fixture 2, realize the convenient disassembly, assembly and replacement of the fixed fixture 2, thereby reducing the operating procedures, improving the replacement efficiency of the fixed fixture 2, and further improving the processing efficiency of the parts.

[0039] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A quick-change fixture, comprising: A base (1) and an assembly platform (11) arranged on the base (1); It is characterized by further comprising: A fixture frame (12) is arranged on the assembly platform (11), wherein an assembly notch (13) is arranged in the fixture frame (12), and a trapezoidal platform (14) is arranged in the assembly notch (13); A fixed jig (2) is arranged in the assembly notch (13), and a notch (21) is arranged at the bottom edge of the fixed jig (2) to match the installation of the trapezoidal platform (14); A double-ended lead screw (3) is arranged in an assembly platform (11), and a sliding seat (31) is sleeved on each of the two sides of the double-ended lead screw (3), and a fixed plug plate 1 (32) and a fixed plug plate 2 (33) are respectively connected to the two sliding seats (31).

2. A quick-change fixture according to claim 1, characterized in that: The surface of the assembly platform (11) is provided with a mounting groove (15), the double-headed screw (3) is rotatably arranged in the mounting groove (15), a limit rod (34) is arranged in the mounting groove (15) above the double-headed screw (3), and the two sliding seats (31) are movably sleeved on the limit rod (34) respectively.

3. A quick-change fixture according to claim 1, characterized in that: The double-ended lead screw (3) is driven by a servo motor (35) externally arranged on the side of the assembly platform (11).

4. A quick-change fixture according to claim 1, characterized in that: The two side surfaces of the jig frame (12) are connected to U-shaped rods (4), each of the U-shaped rods (4) is provided with a pair of latch rods (41) inserted into the jig frame (12) and the U-shaped rods (4), each of the latch rods (41) is sleeved with a compression spring (42), and the side surface of the compression spring (42) is connected to the side surface of the U-shaped rod (4).

5. A quick-change fixture according to claim 4, characterized in that: A positioning slot (22) is provided on the side of the fixing fixture (2) at a position corresponding to each latch rod (41).

6. A quick-change fixture according to claim 1, characterized in that: The side surface of the fixing fixture (2) is provided with a clamping groove (23) at a position corresponding to the first fixing plug plate (32) and the second fixing plug plate (33).

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