Automatic feeding mechanism for chip trays

Abstract

The utility model discloses an automatic chip tray feeding mechanism which comprises a fixing plate set arranged above tray conveying lines and a lifting assembly arranged between the conveying lines and used for bearing trays to be fed. A guide assembly used for guiding and positioning the stacked material trays and a supporting and tray separating assembly used for separating the stacked material trays are arranged on the fixed plate set in the lifting moving direction of the lifting assembly, and the supporting and tray separating assembly is provided with a supporting plate penetrating between every two adjacent layers of material trays; the lifting assembly drives the trays to move to switch the penetrating positions of the supporting plates so that the trays can be separated. The fixed plate group is provided with a beating assembly for assisting the separation of the material tray on one side of the material tray; the two separated material trays are knocked and vibrated at the same time, chips of the upper material tray and the lower material tray are smoothly separated, the feeding stability is improved, the problem that the chips are blocked by the upper material tray can be solved, the risk that the chips are damaged due to falling of the chips is reduced, and rapid and accurate feeding of the material trays is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chip detection technical field, concretely relates to a chip tray automatic feeding mechanism. BACKGROUND

[0002] In chip manufacturing, whether it is performance testing or packaging testing and other process segments, the chip needs to be fed to the machine table during testing by the relevant testing machine. Because the chip is small in size, it is usually stacked and fed using a tray.

[0003] The existing chip tray feeding mechanism often encounters the problem of random jamming of the upper tray. The jamming phenomenon decreases as the tray is used for a long time and becomes smooth. The analysis shows that the cause is the presence of small burrs in the tray groove. In addition, due to cost control and production process considerations, it is difficult to improve the small burr problem of the existing tray. Chip jamming affects the normal feeding of the chip tray, affects the normal testing efficiency of the machine table, and there is a risk of chip falling and damaging the chip. UTILITY MODEL CONTENT

[0004] TECHNICAL OBJECTIVE: In view of the deficiencies of the existing tray feeding, the utility model discloses a chip tray automatic feeding mechanism.

[0005] TECHNICAL SCHEME: In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] A chip tray automatic feeding mechanism, comprising a fixed plate group arranged above a tray conveying line, and a lifting assembly arranged between the conveying lines for carrying the tray to be fed, a guide assembly for guiding and positioning the stacked tray along the lifting direction of the lifting assembly and a support tray separating assembly for separating the stacked tray are arranged on the fixed plate group, the support plate is inserted between the adjacent two layers of trays, and the separation of the tray is realized by switching the insertion position of the support plate through the lifting assembly to drive the tray to move; The knocking assembly for assisting the tray to separate is arranged on one side of the fixed plate group.

[0007] Preferably, the guide assembly of the utility model comprises a long-side guide plate, a short-side guide plate and a right-angle guide plate arranged along the tray placement area, the long-side guide plate and the short-side guide plate are arranged adjacent to each other at one end of the tray, and the right-angle guide plate is arranged at the other end of the tray to guide the movement of the placed tray.

[0008] Preferably, the short-side guide plate of the utility model is provided with a tray misplacement prevention limiting block for positioning the direction of the tray, and a notch corresponding to the tray misplacement prevention limiting block is arranged on the tray.

[0009] Preferably, the right-angle guide plate of the utility model is provided with a first position sensor for detecting the position of the tray.

[0010] Preferably, the knocking assembly of the utility model comprises a knocking cylinder fixedly installed on the fixed plate set, and the knocking cylinder is connected with the fixed plate set through a cylinder mounting plate; the lifting height of the tray is detected and controlled through the first position sensor, so that the joint of the tray to be separated corresponds to the knocking end of the knocking cylinder.

[0011] Preferably, the support tray separating assembly of the utility model comprises a support cylinder, and a support plate is fixed to the driving end of the support cylinder; a second position sensor is arranged on the fixed plate set for positioning the height position of the tray when the tray is separated by the support tray separating assembly.

[0012] Preferably, the lifting assembly of the utility model comprises an electric cylinder and a supporting plate, and the supporting plate is fixed to the driving end of the electric cylinder for supporting the tray.

[0013] Preferably, the fixed plate set of the utility model comprises fixed plates symmetrically arranged with respect to the tray conveying line, and the fixed plates are at the same height; a step for limiting and guiding the long side of the separated tray is arranged on the edge of the fixed plate close to the side where the tray conveying line is located; the separated tray falls onto the step to complete the separation and feeding of the tray.

[0014] Beneficial effects: the chip tray automatic feeding mechanism disclosed by the utility model knocks and vibrates the two separated trays at the same time, smoothly separates the chips of the upper and lower trays, improves the feeding stability, can solve the chip jamming problem of the upper tray, reduces the risk of damaging the chips due to the falling of the chips, and realizes the rapid and accurate feeding of the tray. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below.

[0016] Figure 1 It is a whole structure diagram of the feeding mechanism of the utility model;

[0017] Figure 2 It is a guide assembly structure diagram of the utility model;

[0018] Figure 3 It is a support tray separating assembly structure diagram of the utility model;

[0019] Figure 4 It is a knocking assembly structure diagram of the utility model;

[0020] Figure 5 It is a lifting assembly structure diagram of the utility model;

[0021] Figure 6 The utility model fixed plate group structure diagram is provided with;

[0022] Among them, 1 - fixed plate group, 2 - lifting assembly, 3 - support sub -disc assembly, 4 - tray, 5 - support plate, 6 - knock assembly, 7 - long side guide plate, 8 - short side guide plate, 9 - right angle guide plate, 10 - tray prevents wrong limit block, 11 - first position sensor, 12 - knock cylinder, 13 - cylinder mounting plate, 14 - support cylinder, 15 - second position sensor, 16 - electric cylinder, 17 - backing plate, 18 - fixed plate, 19 - step. DETAILED DESCRIPTION

[0023] Reference will now be made in detail to the embodiments of the present disclosure, one or more examples of which are set forth herein below. Each embodiment and example is provided by way of explanation of the present disclosure, not limitation. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the present disclosure. In fact, those of ordinary skill in the art will be readily

[0024] As Figures 1-6 shown, the utility model discloses a kind of chip tray automatic feeding mechanism, including the fixed plate group 1 being set on tray conveying line top and the lifting assembly 2 for carrying the tray 4 to be fed between conveying line, for being guided and positioned to the stack tray in the lifting direction of lifting assembly 2 on fixed plate group 1 setting guiding assembly and for separating the support sub -disc assembly 3 of stacked tray, the support sub -disc assembly 3 has the support plate 5 passing into between two adjacent layers of tray, the separation of tray 4 is realized by lifting assembly 2 driving tray 4 movement to switch support plate 5 passing-in position;The fixed plate group 1 is set on one side of tray for auxiliary tray knock assembly 6 for assisting tray to separate.

[0025] As Figure 2As shown, the guiding component of this utility model includes a long-side guide plate 7, a short-side guide plate 8, and a right-angle guide plate 9 arranged along the tray placement area. The long-side guide plate 7 and the short-side guide plate 8 are arranged adjacent to one end of the tray 4, and the right-angle guide plate 9 is located at the other end of the tray 4 to guide the placement of the tray 4. The height of the right-angle guide plate 9 is greater than the height of the long-side guide plate 7 and the short-side guide plate 8. When placing stacked trays, the upper part of the right-angle guide plate 9 is used for rough positioning, and then the long-side guide plate 7 and the short-side guide plate 8 are used for accurate positioning of the trays that need to be separated at the bottom. A wedge structure can be formed by setting a bevel on the upper edge of the long-side guide plate 7 and the short-side guide plate 8 to smoothly guide and position the trays. The short-side guide plate 8 of this utility model is provided with a tray anti-misplacement limiting block 10 for positioning the tray direction, and a notch corresponding to the tray anti-misplacement limiting block 10 is provided on the tray 4.

[0026] After the trays are placed in, the stacked trays are moved up and down by the lifting assembly. To facilitate the confirmation of the tray position, the right-angled guide plate 9 of this utility model is provided with a first position sensor 11 for detecting the tray position. The first position sensor 11 can be a proximity switch or a photoelectric counter to determine the number of trays that have passed. When the second tray is detected to have passed, a signal is transmitted to the lifting assembly. Thus, the tray to be separated can be placed in a predetermined position by the setting position of the first position sensor 11 and the detection signal, so as to carry out the subsequent separation operation.

[0027] The striking assembly 6 of this utility model includes a striking cylinder 12 fixedly installed on a fixed plate assembly 1. The striking cylinder 12 is connected to the fixed plate assembly 1 through a cylinder mounting plate 13. The lifting height of the material tray 4 is detected and controlled by a first position sensor 11, so that the joint of the material tray to be separated corresponds to the striking end of the striking cylinder 12. The striking cylinder 12 is a vibrating cylinder, which can apply force to the material tray to generate vibration and promote the separation between the material trays.

[0028] like Figure 3 As shown, the support tray assembly 3 of this utility model includes a support cylinder 14, a support plate 5 fixed to the drive end of the support cylinder 14, and a second position sensor 15 set on the fixed plate group 1 for positioning the height position of the tray during separation in cooperation with the support tray assembly 3. The second position sensor 15 is used to position the second position of the tray so that the clearance groove set on the tray corresponds to the support plate 5 in the height direction. The support cylinder 14 drives the support plate 5 to insert into the clearance groove to support the upper tray. The tray located below the support plate 5 can then be separated and fall to the fixed plate group for loading.

[0029] The lifting assembly 2 comprises an electric cylinder 16 and a supporting plate 17, the supporting plate 17 is fixed at the driving end of the electric cylinder 16 and is used for supporting the material disc 4, and the action control of the electric cylinder 16 is based on the signal detected by the position sensor, so that the material disc can be knocked or supported to stay at the required position.

[0030] The fixing plate group 1 comprises fixing plates 18 symmetrically arranged with respect to the material disc conveying line, the fixing plates 18 are at the same height, and the fixing plates 18 are provided with steps 19 for limiting and guiding the long edges of the separated material disc 4 at the edges close to one side of the material disc conveying line, the separated material disc 4 falls onto the steps 19, and the separation and feeding of the material disc are completed.

[0031] In use, the operator places a bundle of stacked material discs on the supporting plate 5 of the supporting disc assembly 3 through the guiding assembly, supports the whole material disc, the first position sensor 11 detects the second layer of material disc, the knocking cylinder 122 of the knocking assembly 6 extends to knock the material disc, the material disc can be smoothly separated, the electric cylinder 16 of the lifting assembly 2 drives the supporting plate 17 to lift all the material discs, when the first layer of material disc reaches the specified height of the supporting plate 5, the supporting cylinder 14 of the supporting disc assembly retracts, the supporting plate 17 descends, the second position sensor is triggered in the descending process, then the electric cylinder 41 pauses, the supporting cylinder 14 extends, the supporting plate 5 is inserted into the gap groove between the first layer and the second layer of material disc, and the second layer and the above material disc are supported, then the electric cylinder drives the supporting plate 17 to continue to descend to below the fixing plate 18, the first layer of material disc is placed on the step 52 to complete the feeding, and the conveying line with completed feeding is moved out along the long edge direction of the step 52.

Claims

1. A chip tray automatic feeding mechanism, characterized in that, The utility model relates to a kind of tray separating device, including the fixed plate group (1) being arranged above tray conveying line, and the lifting assembly (2) for carrying the tray (4) to be loaded between conveying line, guiding assembly for guiding and positioning stacked tray is arranged on the fixed plate group (1) along the lifting direction of lifting assembly (2), and support tray separating assembly (3) for separating stacked tray, the support plate (5) of the support tray separating assembly (3) is inserted between two adjacent layers of tray, and the separation of tray (4) is realized by the switching of support plate (5) insertion position by lifting tray (4) to move, the knock assembly (6) for assisting tray to be separated is arranged on the side of the fixed plate group (1).

2. The chip tray automatic feeding mechanism according to claim 1, characterized in that, The guiding assembly includes long side guide plate (7), short side guide plate (8) and right angle guide plate (9) arranged along the tray placement area, the long side guide plate (7) and the short side guide plate (8) are arranged adjacent to one end of the tray (4), and the right angle guide plate (9) is arranged at the other end of the tray (4), to move the tray (4) placed.

3. The chip tray automatic feeding mechanism according to claim 2, characterized in that, The short side guide plate (8) is provided with a tray misplacement prevention limiting block (10) for positioning the direction of the tray, and a notch corresponding to the tray misplacement prevention limiting block (10) is arranged on the tray (4).

4. The chip tray automatic feeding mechanism according to claim 2, characterized in that, The right angle guide plate (9) is provided with a first position sensor (11) for detecting the position of the tray.

5. The chip tray automatic feeding mechanism according to claim 2, characterized in that, The knock assembly (6) includes a knock cylinder (12) fixedly installed on the fixed plate group (1), the knock cylinder (12) is connected to the fixed plate group (1) through a cylinder mounting plate (13), the lifting height of the tray (4) is detected and controlled by the first position sensor (11), so that the joint of the tray to be separated corresponds to the knocking end of the knock cylinder (12).

6. The chip tray automatic feeding mechanism according to claim 1, wherein, The support tray separating assembly (3) includes a support cylinder (14), and the support plate (5) is fixed to the driving end of the support cylinder (14), a second position sensor (15) is arranged on the fixed plate group (1) to position the height of the tray separated by the support tray separating assembly (3).

7. The chip tray automatic feeding mechanism according to claim 1, characterized in that, The lifting assembly (2) includes an electric cylinder (16) and a supporting plate (17), and the supporting plate (17) is fixed to the driving end of the electric cylinder (16) to support the tray (4).

8. The chip tray automatic feeding mechanism according to claim 1, characterized in that, The fixed plate group (1) includes fixed plates (18) symmetrically arranged with respect to the tray conveying line, the fixed plates (18) are at the same height, and the edge of the fixed plate (18) close to the side where the tray conveying line is arranged is provided with a step (19) for limiting and guiding the long side of the separated tray (4), the separated tray (4) falls onto the step (19), and the separation and loading of the tray are completed.

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