CN203437991U

CN203437991U - Error-prevention device of machining center clamp

Info

Publication number: CN203437991U
Application number: CN201320344756.9U
Authority: CN
Inventors: 应徐永
Original assignee: NINGBO IKD DIE CASTING CO Ltd
Current assignee: IKD CO., LTD.
Priority date: 2013-06-17
Filing date: 2013-06-17
Publication date: 2014-02-19
Anticipated expiration: 2023-06-17

Abstract

The utility model discloses an error-prevention device of a machining center clamp and belongs to the field of machining center clamps. The error-prevention device of the machining center clamp comprises a cushion plate, a clamping board arranged on the cushion plate and a plurality of clamping parts arranged on the clamping board. The error-prevention device of the machining center clamp is characterized in that a plurality of proximity switches are arranged on the clamping board and are communicated with control devices. All the control devices control electromagnetic valves, and all the electromagnetic valves are communicated with air inlet pipelines. Compared with the prior art, the error-prevention device of the machining center clamp can automatically identify whether the clamping position of a workpiece is correct or not, if not, work is automatically stopped and error machining is prevented. The error-prevention device of the machining center clamp solves the problem that in the prior art, when a working position is incorrect, machining is still performed, and consequently a cutter is damaged and the workpiece is scrapped.

Description

A kind of machining center clamp error prevention device

Technical field

The utility model belongs to machining center clamp field, especially relates to a kind of fixture error prevention device.

Background technology

The high-efficiency automatic lathe that is applicable to processed complex part that machining center is comprised of plant equipment and digital control system, workpiece just can complete the processing of multiple working procedure in clamped one time, also have tool magazine simultaneously, and there is automatic tool changer function, its comprehensive process ability is stronger, machining accuracy is higher, batch workpiece with regard to medium difficulty of processing, its efficiency is 5～10 times of conventional equipment, particularly it can complete the processing that many conventional equipments can not complete, more complicated to shape, the many variety production of the single-piece work that required precision is high or small batch are more applicable, mistake proofing ability when the fixture of existing part machining center is not put errors present into workpiece, machining center still can continue to carry out processing instruction, make the workpiece after processing occur accuracy error or occur a series of problems such as tool damage, in the situation that staff cannot monitor at any time, this class problem cannot be avoided, the workpiece that does not meet precision not only brings the cost of again making to processing enterprise, after selling client, also to client, bring loss.

Summary of the invention

The utility model is for deficiency of the prior art, a kind of machining center clamp error prevention device is provided, can automatic identification workpiece whether clamp position correct, if incorrect, automatically quit work and prevent wrong processing, solved the incorrect problem that still processing causes Cutting Tool Damage and workpiece to scrap in prior art operating position.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: a kind of machining center clamp error prevention device, comprise backing plate, be arranged on the clamping plate on backing plate, be arranged on several holders on clamping plate, it is characterized by, on described clamping plate, be provided with several approach switchs, described approach switch is all communicated with a control device, described control device is controlled magnetic valve, described magnetic valve is communicated with admission line, arrange like this, on clamping plate, be all provided with several approach switchs, all approach switchs on same clamping plate are all communicated with control device, control device is controlled the magnetic valve that is communicated with gas pipeline, when workpiece is placed on clamping plate, approach switch will have induction, if workpiece is placed mistake, approach switch senses, approach switch will send signal to control device, control device is controlled closed electromagnetic valve admission line, machining center just quits work like this, once when location of workpiece mistake, whole machining center all can quit work, just can not reprocess the workpiece of errors present, solved and continued the problem that processing causes Cutting Tool Damage and workpiece to scrap.

In technique scheme, preferably, described control device comprises first relay and second relay, arrange like this, control device comprises first relay and second relay, when only having clamping plate, first relay can be controlled separately, just can allow first relay and second relay jointly control when having at least two clamping plate.

In technique scheme, preferably, on described backing plate, be provided with at least two clamping plate, described approach switch on same described clamping plate is all communicated with the first relay described in, described first relay is all communicated with described second relay, magnetic valve described in described second Control, described magnetic valve is communicated with admission line, arrange like this, on each clamping plate, be provided with approach switch, approach switch on same clamping plate is all communicated with first relay, all first relays are all communicated with second relay, second Control is communicated with the magnetic valve of gas pipeline, when workpiece is placed on clamping plate, approach switch will have induction, if workpiece is placed mistake, approach switch senses, approach switch will send signal to first relay, then signal passes to second relay by first relay, second Control closed electromagnetic valve admission line, machining center just quits work like this.

In technique scheme, preferably, described approach switch is photo-electric approach switch, arrange like this, photo-electric approach switch can be smooth be placed on clamping plate, can not cause obstruction to the placement of workpiece, simultaneously photo-electric approach switch judges by the power of light, sensitiveer, reflection rapidly.

In technique scheme, preferably, described in several, match with workpiece to be processed shape in the position of approach switch on described clamping plate, arranges like this, and the position of approach switch on clamping plate has workpiece to be processed shape to match can better reflect whether workpiece misplaces.

In technique scheme, preferred, described first relay is communicated with signal lamp and alarm, arranges like this, and first relay is communicated with signal lamp and alarm just can know that positional fault appears in the workpiece on which clamping plate, facilitates staff to correct fast.

Compared with prior art, the beneficial effects of the utility model are: can automatic identification workpiece whether clamp position correct, if incorrect, automatically quit work and prevent wrong processing, solved the incorrect problem that still processing causes Cutting Tool Damage and workpiece to scrap in prior art operating position.

Accompanying drawing explanation

Fig. 1 is the utility model schematic top plan view.

The specific embodiment

Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail.

As shown in Figure 1, a kind of machining center clamp error prevention device, comprise backing plate 1, be arranged on 2 clamping plate 2 on backing plate 1, be arranged on 3 holders 3 on clamping plate 2, on clamping plate 2, be provided with 2 approach switchs 4 that match with workpiece to be processed shape, approach switch 4 is photo-electric approach switch preferably, certainly the approach switch of other types also can, what approach switch 4 arranged in principle is The more the better, go for so different workpiece, even if part approach switch 4 cannot coordinate with workpiece shape, also can close these approach switchs 4, do not allow its participation work, approach switch 4 on same clamping plate 2 is communicated with same first relay 5, each first relay 5 is communicated with separately a signal lamp 9 and alarm 10, all first relays 5 are all communicated with a second relay 6, second relay 6 is controlled magnetic valve 7, magnetic valve 7 is controlled the switching of admission line 8, in use, when location of workpiece mistake, approach switch 4 senses that location of workpiece mistake sends signal to first relay 5, first relay 5 sends signal to second relay 6, signal lamp 9 and alarm 10, at this moment second relay 6 sends signal to magnetic valve 7, allow magnetic valve 7 close admission line 8, allow machining center quit work, synchronous signal lamp 9 is glittering, alarm 10 is reported to the police, and allows staff know and is the location of workpiece mistake on which clamping plate 2, facilitates staff's rapid adjustment, after adjustment, can be automatically or staff open voluntarily magnetic valve 7 and allow machining center continue operation.

Claims

1. a machining center clamp error prevention device, comprise backing plate (1), be arranged on clamping plate (2) on backing plate (1), be arranged on several holders (3) on clamping plate (2), it is characterized by, on described clamping plate (2), be provided with several approach switchs (4), described approach switch (4) is all communicated with a control device, described control device is controlled magnetic valve (7), and described magnetic valve (7) is communicated with admission line (8).

2. a kind of machining center clamp error prevention device according to claim 1, is characterized by, and described control device comprises first relay (5) and second relay (6).

3. a kind of machining center clamp error prevention device according to claim 2, it is characterized by, on described backing plate (1), be provided with at least two clamping plate (2), described approach switch (4) on same described clamping plate (2) is all communicated with the first relay (5) described in, described first relay (5) is all communicated with described second relay (6), described second relay (6) is controlled described magnetic valve (7), and described magnetic valve (7) is communicated with admission line (8).

4. a kind of machining center clamp error prevention device according to claim 1, is characterized by, and described approach switch (4) is photo-electric approach switch.

5. a kind of machining center clamp error prevention device according to claim 3, is characterized by, and matches with workpiece to be processed shape in the position of approach switch described in several (4) on described clamping plate (2).

6. a kind of machining center clamp error prevention device according to claim 2, is characterized by, and described first relay (5) is communicated with signal lamp (9) and alarm (10).