Weight verification device suitable for upper weighing ton bag packing scale

Abstract

The utility model relates to the field of verification devices, and discloses a weight verification device suitable for an upper weighing ton bag packing scale, which comprises a support, a self-locking cylinder is hinged to the right end of the support, a connecting assembly is arranged at the bottom end of the self-locking cylinder, and the connecting assembly comprises a connecting sleeve. The top end of the connecting sleeve is installed at the bottom end of an output shaft of the self-locking air cylinder, a supporting assembly is arranged at the left end of the connecting sleeve and comprises a supporting rod, the supporting rod is inserted into the left end of the connecting sleeve, the outer wall of the supporting rod is sleeved with a bearing, and the outer wall of the bearing is sleeved with a connecting rod. The bottom end of the connecting rod is fixedly connected with a weight box. According to the utility model, weighing can be completed by using the self-locking cylinder to drive the weight box to move, verification is relatively convenient, the connecting rod can be temporarily fixed by using the clamping block when the weight box is installed so as to facilitate installation, and the whole device can alleviate the burden of verification operation on an operator.

Description

Technical Field

[0001] The utility model relates to the field of calibration devices, in particular to a weight calibration device suitable for an upper weighing ton bag packing scale. Background Art

[0002] A ton bag packing machine is a large-scale weighing and packing device used for packing materials in ton bags. It is a multi-purpose packing machine integrating electronic weighing, automatic bag discharging, and dust removal. When producing a ton bag packing machine, before leaving the factory, it needs to be weighed and calibrated using weights.

[0003] In the actual use process at the customer site of the upper weighing ton bag packing scale, for a long time, the use of weights for calibrating the weighing accuracy has always been a relatively troublesome problem. Since the inspection platform of the upper weighing ton bag packing scale is relatively high and the weights are relatively heavy, it is quite difficult for the operator to transport the weights, which will bring a great burden to the operator during calibration. Therefore, a weight calibration device suitable for the upper weighing ton bag packing scale is proposed to solve the above problems. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a weight calibration device suitable for an upper weighing ton bag packing scale, aiming to improve the problem of "difficult transportation of weights when using weights to calibrate a ton bag packing machine" in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: A weight calibration device suitable for an upper weighing ton bag packing scale, including a bracket, a self-locking cylinder is hinged to the right end of the bracket, a connecting component is arranged at the bottom end of the self-locking cylinder, the connecting component includes a connecting sleeve, the top end of the connecting sleeve is installed at the bottom end of the output shaft of the self-locking cylinder, a supporting component is arranged at the left end of the connecting sleeve, the supporting component includes a supporting rod, the supporting rod is inserted into the left end of the connecting sleeve, a bearing is sleeved on the outer wall of the supporting rod, a connecting rod is sleeved on the outer wall of the bearing, and a weight box is fixedly connected to the bottom end of the connecting rod.

[0006] As a further description of the above technical solution:

[0007] The supporting component further includes a fixing cover, a bolt is threadedly connected to the right end of the fixing cover, and the left end of the bolt is threadedly connected to the right end of the supporting rod.

[0008] As a further description of the above technical solution:

[0009] Positioning blocks are symmetrically arranged at the left and right ends of the connecting sleeve, a positioning hole is arranged at the left end of the fixing cover, the positioning hole is adapted to the positioning block, and a positioning hole is also arranged at the right end of the supporting rod.

[0010] As a further description of the above technical solution:

[0011] The connection component further includes a connection cover, the bottom end of the connection cover is fixedly connected to the top end of the connection rod, and a clamping block is slidably connected inside the connection sleeve.

[0012] As a further description of the above technical solution:

[0013] The right end of the clamping block is fixedly connected with a connection spring, and the right end of the connection spring is fixedly connected to the inner wall of the connection sleeve.

[0014] As a further description of the above technical solution:

[0015] A trapezoidal block is slidably connected to the inner wall of the connection sleeve near the top end of the clamping block. The trapezoidal block is trapezoidal in shape. The top end of the trapezoidal block is fixedly connected with a dial block, and the dial block penetrates and is slidably connected to the front end of the connection sleeve.

[0016] As a further description of the above technical solution:

[0017] A spherical block slides on the right end of the dial block. A positioning plate is fixedly connected to the front end of the connection sleeve. A spherical groove is provided at the left end of the positioning plate, and the spherical block and the spherical groove are adapted to each other.

[0018] As a further description of the above technical solution:

[0019] The left end of the spherical block is fixedly connected with a pushing spring, and the left end of the pushing spring is fixedly connected to the inner wall of the dial block.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the weighing can be completed by driving the weight box to move by using a self-locking cylinder, which is more convenient during calibration. And when installing the weight box, the clamping block can be used to temporarily fix the connecting rod to facilitate the installation. The overall device can reduce the burden on the operator during the calibration operation.

[0022] 2. In the utility model, by setting the positioning block, when the knob bolt fixes the support rod and the fixed cover, the positioning block can be inserted into the positioning hole to prevent the support rod and the fixed cover from rotating. At the same time, after the installation is completed, during the calibration operation, the positioning block can also prevent the support rod and the fixed cover from rotating. In this way, the probability of the bolt loosening can be reduced, and the overall device has good safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the overall device in the utility model;

[0024] Figure 2Schematic exploded perspective view of the connecting component and the connecting rod in the present utility model;

[0025] Figure 3 Schematic cross-sectional perspective view of the connecting component in the present utility model;

[0026] Figure 4 Schematic exploded cross-sectional perspective view of the support component in the present utility model.

[0027] Legend:

[0028] 1. Bracket; 2. Self-locking cylinder; 3. Support component; 31. Support rod; 32. Bearing; 33. Fixed cover; 34. Positioning hole; 35. Bolt; 36. Positioning block; 4. Connecting component; 41. Connecting cover; 42. Connecting sleeve; 43. Clamping block; 44. Pushing block; 45. Positioning plate; 46. Ball groove; 47. Push spring; 48. Ball block; 49. Trapezoidal block; 410. Connecting spring; 5. Connecting rod; 6. Weight box. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0030] Refer to Figure 1 - Figure 3, An embodiment provided by the present utility model: A weight calibration device suitable for an upper weighing ton bag packing scale, including a bracket 1 for supporting the overall device. Before using the overall device, the bracket 1 needs to be installed in advance at the top of the calibration platform. A self-locking cylinder 2 for driving the movement of the weight box 6 is hinged to the right end of the bracket 1. The self-locking cylinder 2 is a prior art. When not ventilated, the self-locking cylinder 2 will automatically retract to the in-place position and be locked by the internal mechanical device of the self-locking cylinder 2. Therefore, in the case of accidental air interruption, it can prevent the weights from falling suddenly and damaging the weighing sensor. Due to the prior art, this case will not be described in detail. A connection assembly 4 for connecting the self-locking cylinder 2 and the connecting rod 5 is provided at the bottom end of the self-locking cylinder 2. The connection assembly 4 includes a connecting sleeve 42 for supporting the assembly 3. The top end of the connecting sleeve 42 is installed at the bottom end of the output shaft of the self-locking cylinder 2. A support assembly 3 for supporting the rotation of the connecting rod 5 is provided at the left end of the connecting sleeve 42. The support assembly 3 includes a support rod 31 for supporting the bearing 32. The support rod 31 is inserted into the left end of the connecting sleeve 42. A bearing 32 for supporting the rotation of the connecting rod 5 is sleeved on the outer wall of the support rod 31. A connecting rod 5 for connecting the weight box 6 is sleeved on the outer wall of the bearing 32. A weight box 6 for loading weights is fixedly connected to the bottom end of the connecting rod 5.

[0031] Refer to Figure 2 - Figure 4 , The support assembly 3 further includes a fixing cover 33 for connecting the support rod 31. A bolt 35 for fixing the fixing cover 33 is threadedly connected to the right end of the fixing cover 33. The left end of the bolt 35 is threadedly connected to the right end of the support rod 31. By using the bolt 35, the fixing cover 33 can be installed at the right end of the support rod 31. Positioning blocks 36 for fixing the support rod 31 and the fixing cover 33 are symmetrically arranged at the left and right ends of the connecting sleeve 42. A positioning hole 34 for accommodating the positioning block 36 is provided at the left end of the fixing cover 33. The positioning hole 34 and the positioning block 36 are adapted to each other. After the positioning block 36 is inserted into the inside of the positioning hole 34, the support rod 31 and the fixing cover 33 will be fixed and unable to rotate. A positioning hole 34 is also provided at the right end of the support rod 31.

[0032] Refer to Figure 1 - Figure 3The connecting assembly 4 also includes a connecting cover 41 for temporarily fixing the connecting rod 5. The bottom end of the connecting cover 41 is fixedly connected to the top end of the connecting rod 5. The inside of the connecting sleeve 42 is slidably connected with a block 43 for fixing the connecting rod 5. The inner wall of the block 43 is provided with a protrusion, which can be stuck in the bottom end of the connecting cover 41. In this way, the connecting rod 5 can be fixed inside the connecting sleeve 42. The right end of the block 43 is fixedly connected with a connecting spring 410 for pushing the block 43 inward. The right end of the connecting spring 410 is fixedly connected to the inner wall of the connecting sleeve 42. The connecting spring 410 will always push the block 43 inward. The inner wall of the connecting sleeve 42 is slidably connected with a trapezoidal block 49 for squeezing the block 43 near the top end of the block 43. The trapezoidal block 49 is set to a trapezoidal shape. By using the trapezoidal block 49 to squeeze the block 43, it can be moved outward and retracted. Inside the connecting sleeve 42, the top of the trapezoidal block 49 is fixedly connected with a shift block 44 for facilitating the operator to move the trapezoidal block 49. The shift block 44 passes through and is slidably connected to the front end of the connecting sleeve 42. By shifting the shift block 44, the trapezoidal block 49 can be driven to move downward to squeeze the card block 43. The right end of the shift block 44 is slidably provided with a ball block 48 for fixing the shift block 44. The front end of the connecting sleeve 42 is fixedly connected with a positioning plate 45. The left end of the positioning plate 45 is provided with a ball groove 46 for accommodating the ball block 48. The ball block 48 and the ball groove 46 are adapted to each other. When the ball block 48 is inserted into the inside of the ball groove 46, the shift block 44 will be fixed and cannot be moved at will. The left end of the ball block 48 is fixedly connected with a push spring 47 for pushing the ball block 48. The left end of the push spring 47 is fixedly connected to the inner wall of the shift block 44, and the push spring 47 will always push the ball block 48 to the right.

[0033] Working principle: When measurement is required, the weight box 6 can be moved to the bottom end of the connecting component 4 first, and then the bearing 32 can be inserted into the inside of the connecting rod 5. Then, the connecting rod 5 can be moved upward to drive the connecting cover 41 to squeeze the block 43 to move it outward. When the holes of the connecting rod 5 and the connecting sleeve 42 are aligned, the connecting spring 410 will push the block 43 inward to make it stuck at the bottom end of the connecting cover 41. At this time, the connecting rod 5 will be fixed to the inner wall of the connecting sleeve 42 and cannot move at will.

[0034] After the connecting rod 5 is fixed, the operator can first align the positioning hole 34 at the right end of the support rod 31 with the positioning block 36, and use the support rod 31 to penetrate through the connecting sleeve 42, the bearing 32, and the connecting rod 5. Then, the fixing cover 33 can be fixed to the right end of the support rod 31 using the bolt 35. At this time, the connecting rod 5 and the weight box 6 are fixed. Then, the toggle block 44 can be toggled downward to drive the trapezoidal block 49 to move downward. The downward movement of the trapezoidal block 49 will squeeze the latch block 43 to disengage it from the bottom end of the connecting cover 41. At this time, the connecting rod 5 will regain its rotational ability. When the toggle block 44 moves downward, it will drive the ball block 48 out of the inside of the ball groove 46. When the ball block 48 moves downward synchronously with the toggle block 44 and aligns with another set of ball grooves 46, the pushing spring 47 will push the ball block 48 to make it snap into the inside of the ball groove 46. At this time, the toggle block 44 will be re-fixed and will not move randomly. At the same time, the connecting rod 5 will be able to rotate around the center line of the bearing 32 as the rotation axis.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A weight calibration device suitable for a weighing ton bag packaging scale, comprising a bracket (1), characterized in that: The right end of the bracket (1) is hingedly connected to a self-locking cylinder (2), the bottom end of the self-locking cylinder (2) is provided with a connecting assembly (4), the connecting assembly (4) comprises a connecting sleeve (42), the top end of the connecting sleeve (42) is mounted on the bottom end of the output shaft of the self-locking cylinder (2), the left end of the connecting sleeve (42) is provided with a supporting assembly (3), the supporting assembly (3) comprises a supporting rod (31), the supporting rod (31) is inserted into the left end of the connecting sleeve (42), the outer wall of the supporting rod (31) is sleeved with a bearing (32), the outer wall of the bearing (32) is sleeved with a connecting rod (5), and the bottom end of the connecting rod (5) is fixedly connected to a weight box (6).

2. A weight calibration device suitable for weighing ton bag packaging scale according to claim 1, characterized in that: The support assembly (3) further comprises a fixing cover (33), the right end of the fixing cover (33) being threadedly connected to a bolt (35), and the left end of the bolt (35) being threadedly connected to the right end of the support rod (31).

3. A weight calibration device suitable for weighing ton bag packaging scale according to claim 2, characterized in that: Positioning blocks (36) are symmetrically arranged at the left and right ends of the connecting sleeve (42), a positioning hole (34) is arranged at the left end of the fixing cover (33), the positioning hole (34) and the positioning block (36) are matched, and a positioning hole (34) is also arranged at the right end of the supporting rod (31).

4. A weight calibration device suitable for weighing ton bag packaging scale according to claim 1, characterized in that: The connection assembly (4) further comprises a connection cover (41), the bottom end of the connection cover (41) being fixedly connected to the top end of the connection rod (5), and a clamping block (43) being slidably connected inside the connection sleeve (42).

5. A weight calibration device suitable for weighing ton bag packaging scale according to claim 4, characterized in that: The right end of the clamping block (43) is fixedly connected to a connecting spring (410), and the right end of the connecting spring (410) is fixedly connected to the inner wall of the connecting sleeve (42).

6. A weight calibration device suitable for weighing ton bag packaging scale according to claim 5, characterized in that: The inner wall of the connecting sleeve (42) is slidably connected to a trapezoidal block (49) near the top of the clamping block (43); the trapezoidal block (49) is arranged in a trapezoidal shape; the top of the trapezoidal block (49) is fixedly connected to a shifting block (44); the shifting block (44) penetrates and is slidably connected to the front end of the connecting sleeve (42).

7. A weight calibration device suitable for weighing ton bag packaging scale according to claim 6, characterized in that: A ball block (48) is slidably mounted on the right end of the shift block (44), a positioning plate (45) is fixedly connected to the front end of the connecting sleeve (42), a ball groove (46) is provided at the left end of the positioning plate (45), and the ball block (48) and the ball groove (46) are matched.

8. A weight calibration device suitable for weighing ton bag packaging scale according to claim 7, characterized in that: The left end of the ball block (48) is fixedly connected to a push spring (47), and the left end of the push spring (47) is fixedly connected to the inner wall of the shift block (44).

Images