JPH0332988Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention is a combination weigher, in particular, a plurality of supply troughs are provided around a dispersion plate that disperses and conveys the object to be weighed while vibrating, and each supply trough has a pool hopper, and each pool hopper is used for weighing. The present invention relates to an improvement in the hopper structure of a combination weigher which is provided with a hopper, and which transports the object to be weighed on the distribution plate to the weighing hopper by a supply trough and selects a plurality of weighing hoppers that reach a set weight or a weight close to the set weight.

The pool weighing hopper consists of a hopper body and a bottom lid, and the bottom lid is provided with an opening/closing mechanism for opening and closing the bottom lid.

Since most of the objects to be weighed in so-called combination scales are foodstuffs, cleaning is essential for hygiene reasons, and when changing from one object to another, the dispersion plate, supply trough, weighing hopper, etc. If the hopper is fixed to the frame, cleaning work efficiency will be extremely poor.

Furthermore, in order to make the entire hopper attachable and detachable, a part of the opening/closing mechanism of the bottom cover of the hopper must be made detachable, resulting in an extremely complicated structure. Also, even if the hopper is extremely dirty, it cannot be washed with water because it has a mechanism to open and close the bottom lid.

The present invention has been developed in view of the above-mentioned conventional circumstances, and its purpose is to provide a hopper that is simple in structure and easy to clean.

The hopper structure of the combination scale of the present invention is such that a bracket is fixed to the frame side of the above-mentioned combination scale via a mounting plate or a load cell, and the bottom cover of the pool hopper or weighing hopper is swingably attached to this bracket. an opening/closing mechanism that swings the bottom lid while attaching the bottom lid, and a frame-shaped hopper body of the pool hopper or weighing hopper is separated from the bottom lid and the opening/closing mechanism and detachably attached to the bracket. , the bottom opening of the hopper body is located directly above the bottom cover.

The combination balance according to the embodiment of the present invention will be explained with reference to FIGS. An electromagnetic vibrating feeder 9 is provided below the distribution plate 1 so as to convey in different directions, and supply troughs 2 are arranged in a row on the outer side of the distribution plate 1.

The supply trough 2 is a conveyance path having a substantially U-shaped cross section, and is provided with an electromagnetic vibration type feeder 10 below, and a pool hopper 5 at the discharge end of each supply trough.

The pool hopper 5 is a hopper for storing objects to be weighed, which is made up of a hopper body 3 and a bottom lid 7, and is attached to a bracket 20 fixed to the mounting plate 12' of the frame 12. to be placed.

The weighing hopper 6 consists of a hopper body 4 and a bottom cover 8, and includes a load cell 11 fixed to a frame 12.
The hopper 6 is attached to a bracket 20 that is fixed to the tip of the hopper 6, and is used to weigh the object to be weighed in the hopper 6.

The bottom covers 7 and 8 are mounted on a bracket 20 via shafts 13 and 14, respectively, and their opening/closing mechanisms are comprised of links 15 and 16, cams 17 and 18, and a pulse motor 19, respectively. That is, the cams 17 and 18 are rotated by the rotation of the pulse motor 19, and the link 1
The bottom covers 7 and 8 are opened and closed by rotating the bottom covers 5 and 16 by a predetermined angle, respectively (FIG. 3).

The hopper bodies 3, 4 are vessels in which the bottom lids 7, 8 are closed and the upper surface thereof is open. Modifications of the mounting structure thereof will be explained with reference to FIGS. 4 to 9. In the figures, 20 is This is a U-shaped bracket that serves as a guide when attaching the hopper bodies 3 and 4, and is common to all variations.

The hopper body 3 in FIG. 4 is provided with a male hook 21 and a guide rod 22, and the frame 12 is provided with a female hook 23 and a guide hole 24.
and 23 are fitted together and removably latched.

The hopper main body 3 shown in FIG. 5 is provided with a male hook 21, and the frame 12 is provided with a female hook 23' made of rubber, and both 21 and 23' are fitted together and removably hooked.

In FIG. 6, L-shaped latching grooves 25 are provided on both sides of the bracket 20, and latching hooks 26 are provided on the bracket 20, which are biased downward by springs. Stop hook 26
A pin 27 is provided to protrude and fit into the pin 27. Latch hook 26
It can be removed by lifting the hopper body 3 upwards, tilting the hopper body 3 toward you, and then removing the latching groove 25. After hooking the pin 27 into the latching groove 25, the hopper body 3 can be removed by pushing the hopper body 3 backward. It can be installed by

In FIG. 7, a guide 20 is provided on the end side of the load cell 11, and a plate member 29 provided with a stop hole 28 is fixed to the bracket 20. The hopper main body 4 is provided with a hooking plate 30 having a semicircularly curved tip, which is inserted between the bracket 20 and the plate 29 to be hooked thereon.

Figure 8 shows a bracket 2 on the end side of the load cell 11.
0, and the first plate 3 is attached to the bracket 20.
1 and the second plate 32 are fixed and protrude in a substantially T-shape, and the third plate 33 and the fourth plate 34 are attached to the hopper main body 4.
and are formed into a T-groove shape that fits together. 3 in the diagram
5 is a positioning pin biased by a spring or the like.

FIG. 9 shows a male rail 36 formed by protruding both side edges of a U-shaped rail provided on the hopper body 4 outward, and a male rail 36 formed by protruding both side edges of a U-shaped rail provided on the load cell 11 side inward. A female rail 37 is constructed by fitting the two rails 36 and 37 together.

In the above mounting structure, FIGS. 4 to 6 show a pool hopper, and FIGS. 7 to 9 show a weighing hopper, but the structure of the weighing hopper may be used for the pool hopper as desired.

Since the present invention is constructed as described above, the hopper body of the pool hopper or weighing hopper can be removed from the bracket while leaving the bottom cover and its opening/closing mechanism on the scale frame side, and the removed hopper body can be easily removed. Because of the frame shape, it is easy to handle and cleaning such as washing with water is extremely easy.

Furthermore, since the hopper body of the bottom cover remaining on the frame side is removed and the upper space is expanded, cleaning of the bottom cover is also extremely easy.

By doing so, we will reach our intended purpose.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional front view showing a combination scale according to an embodiment of the present invention, Fig. 2 is a plan view of the same, Fig. 3 is an enlarged view of the main parts of Fig. 1, and Figs. 4, 5, and 7 are Vertical front view showing a modification example of mounting the hopper main body, No. 6
The figure is a front view of the same, FIG. 8 is a sectional view of the same, and FIG. 9 is a plan view of the same. In the figure, 1...distribution plate, 2...supply trough, 3,
4... Hopper body, 5... Pool hopper, 6
...Measuring hopper, 7,8...Bottom cover, 12...Frame, 15,16...Link, 17,18...
Cam, 19...Pulse motor.

Claims (1)

[Scope of utility model registration request] A plurality of supply troughs are provided around a distribution plate that disperses and conveys the object to be weighed while vibrating, each supply trough is provided with a pool hopper, each pool hopper is provided with a weighing hopper, and the object to be weighed on the distribution plate is supplied. In a combination scale in which a plurality of weighing hoppers that reach a set weight or a weight close to the set weight are selected by being transported to a weighing hopper by a trough, a bracket is fixed to the frame side of the scale via a mounting plate or a load cell, and this bracket A bottom cover of the pool hopper or weighing hopper is swingably pivoted to the bottom cover, and an opening/closing mechanism for swinging the bottom cover is engaged with the bottom cover, and the frame-shaped hopper body of the pool hopper or weighing hopper is attached to the bottom. A hopper structure for a combination weigher, wherein the hopper is detachably attached to the bracket separately from the lid and the opening/closing mechanism, and the bottom opening of the hopper body is located directly above the bottom lid.