External rapid clamping jig for ejector pin electric discharge machining machine

Abstract

The utility model discloses a quick clamping jig outside an ejector pin electric discharge machining machine, which comprises a jig main body, the jig main body is an electric conductor, and two sides of the jig main body are respectively provided with an ejector pin clamping structure I and an ejector pin clamping structure II. The first ejector pin clamping structure is composed of a row of ejector pin clamping holes and clamping bolts in transverse threaded connection with the interiors of the ejector pin clamping holes, the row of ejector pin clamping holes are formed in one side of the jig body, and the second ejector pin clamping structure is composed of a row of ejector pin clamping grooves and a clamping baffle. The row of ejector pin clamping grooves are formed in the other side of the jig body, and the clamping baffles are clamped on the outer side faces of the ejector pin clamping grooves of the jig body through fastening bolts. According to the utility model, the fixture is used for quickly clamping outside a machine, so that the clamping efficiency is high, the clamping is convenient and simple, the thimble fixing stability is good, and the machining precision is high; the ejector pin clamping groove and the ejector pin clamping hole can be matched with multiple workpieces of different specifications and batches to be machined together, and efficiency and the one-time erection qualification rate are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of production and processing of mold parts, in particular to a quick clamping fixture outside an ejector electric discharge machining machine. Background Art

[0002] Injection molds are important process equipment for producing various industrial products. With the rapid development of the plastics industry and the promotion and application of plastic products in industrial sectors such as aviation, aerospace, electronics, machinery, shipbuilding and automobiles, the application scope of injection molds is becoming more and more extensive.

[0003] Ejector pin is a common injection mold accessory used in injection molds. Ejector pin can also be called push rod, insert pin, center pin, support pin, etc. In the production process of ejector pin, it is necessary to perform discharge machining on the ejector pin. The existing method is to fix the ejector pins on the spark machine and perform discharge machining one by one. The above method has the disadvantages of slow processing speed, low efficiency of ejector pin fixing, poor stability of ejector pin fixing, and poor processing accuracy. Utility Model Content

[0004] In order to solve the above technical problems, the utility model designs a quick clamping fixture outside an ejector electric discharge machining machine.

[0005] The utility model adopts the following technical solutions:

[0006] A quick clamping fixture for an ejector electric discharge machining machine comprises a fixture body, the fixture body is a conductor, and two sides of the fixture body are respectively provided with an ejector clamping structure 1 and an ejector clamping structure 2, the ejector clamping structure 1 is composed of a row of ejector clamping holes and a clamping bolt transversely threadedly connected in each ejector clamping hole, the row of ejector clamping holes is arranged on one side of the fixture body, the ejector clamping structure 2 is composed of a row of ejector clamping grooves and a clamping baffle, the row of ejector clamping grooves is arranged on the other side of the fixture body, and the clamping baffle is clamped on the outer side of the ejector clamping groove of the fixture body by a fastening bolt.

[0007] Preferably, the ejector pin clamping hole is a fan-shaped hole, a threaded hole is transversely opened on the arc surface of the fan-shaped ejector pin clamping hole, and the clamping bolt is transversely threadedly connected into the ejector pin clamping hole through the threaded hole.

[0008] Preferably, the ejector pin clamping groove is an arc groove.

[0009] Preferably, the fixture body is arranged in a T shape.

[0010] Preferably, clamping threaded holes are correspondingly arranged on both sides of the ejector clamping groove, and clamping mounting holes are correspondingly arranged on the clamping baffle, and the fastening bolts pass through the clamping mounting holes and are threadedly connected with the clamping threaded holes.

[0011] The beneficial effects of the utility model are: (1) the workpiece of the utility model can be quickly clamped outside the machine by a fixture, the clamping efficiency is high, the clamping is convenient and simple, the stability of the ejector pin is good, and the processing precision is high; (2) the ejector pin clamping groove and the ejector pin clamping hole can be adapted to process multiple batches of workpieces of different specifications together, thereby improving efficiency and the qualified rate of one-time erection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model when it is used;

[0013] Figure 2 It is an exploded diagram of the utility model;

[0014] In the figure: 1. fixture body, 2. clamping baffle, 3. fastening bolt, 4. clamping bolt, 5. ejector clamping groove, 6. clamping threaded hole, 7. clamping mounting hole, 8. ejector clamping hole. DETAILED DESCRIPTION

[0015] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0016] Example: Figure 1-Figure 2 As shown, a quick clamping fixture for an ejector electric discharge machining machine includes a fixture body 1, the fixture body is a conductor, and the two sides of the fixture body are respectively provided with an ejector clamping structure 1 and an ejector clamping structure 2, the ejector clamping structure 1 is composed of a row of ejector clamping holes 8 and a clamping bolt 4 which is transversely threaded in each ejector clamping hole, the row of ejector clamping holes is arranged on one side of the fixture body, the ejector clamping structure 2 is composed of a row of ejector clamping grooves 5 and a clamping baffle 2, the row of ejector clamping grooves is arranged on the other side of the fixture body, and the clamping baffle is clamped on the outer side of the ejector clamping groove of the fixture body by a fastening bolt 3.

[0017] The ejector pin clamping hole is a fan-shaped hole, a threaded hole is transversely opened on the arc surface of the fan-shaped ejector pin clamping hole, and the clamping bolt is transversely threadedly connected into the ejector pin clamping hole through the threaded hole.

[0018] The ejector clamping groove is an arc groove. The fixture body is T-shaped. Clamping threaded holes 6 are correspondingly arranged on both sides of the ejector clamping groove, and clamping mounting holes 7 are correspondingly arranged on the clamping baffle. The fastening bolts pass through the clamping mounting holes and are threadedly connected with the clamping threaded holes.

[0019] When the utility model is used, it is only necessary to insert the ejector pin into the ejector pin clamping hole and the ejector pin clamping groove in the fixture, and then correspondingly lock the clamping bolt and the fastening bolt. Through the quick clamping outside the fixture machine, the clamping efficiency is high, the clamping is convenient and simple, the ejector pin is fixed stably, and the processing precision is high; the ejector pin clamping groove and the ejector pin clamping hole can be adapted to process multiple workpieces of different specifications and batches together, thereby improving efficiency and the qualified rate of one-time erection.

[0020] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A quick clamping fixture for an ejector EDM machine, comprising a fixture body, characterized in that: The jig body is a conductor, and the two sides of the jig body are respectively provided with an ejector clamping structure 1 and an ejector clamping structure 2, wherein the ejector clamping structure 1 is composed of a row of ejector clamping holes and a clamping bolt connected with a transverse thread in each ejector clamping hole, and the row of ejector clamping holes is arranged on one side of the jig body, and the ejector clamping structure 2 is composed of a row of ejector clamping grooves and a clamping baffle, and the row of ejector clamping grooves is arranged on the other side of the jig body, and the clamping baffle is clamped on the outer side of the ejector clamping groove of the jig body by a fastening bolt.

2. The external quick clamping fixture of the ejector EDM according to claim 1 is characterized in that: The ejector pin clamping hole is a fan-shaped hole, a threaded hole is transversely opened on the arc surface of the fan-shaped ejector pin clamping hole, and the clamping bolt is transversely threadedly connected into the ejector pin clamping hole through the threaded hole.

3. The external quick clamping fixture of the ejector EDM according to claim 1 is characterized in that: The ejector pin clamping groove is a circular arc groove.

4. The external quick clamping fixture of the ejector EDM according to claim 1 is characterized in that: The fixture body is arranged in a T shape.

5. The external quick clamping fixture of the ejector EDM according to claim 1 is characterized in that: The two sides of the ejector clamping groove are respectively provided with clamping threaded holes, and the clamping baffle is respectively provided with clamping mounting holes. The fastening bolts pass through the clamping mounting holes and are threadedly connected with the clamping threaded holes.

Images