A grain crushing device for food processing

Abstract

The invention discloses a grain crushing device for food processing, which relates to the technical field of grain crushing, comprising a drum, a feeding device, a scraping device and a discharging device; wherein a support plate is fixedly connected to the right side of the drum, a motor is fixedly connected to the top of the support plate, an output end of the motor is fixedly connected to one end of a Z-shaped support rod, a roller is rotatably connected to the circumferential surface of the Z-shaped support rod, a discharging bin is fixedly connected to the bottom of the drum, a preparation hopper is fixedly connected to the top of the drum, and a discharging port is provided at the bottom of the drum. The grain crushing device for food processing drives the Z-shaped support rod to rotate by a motor, thereby colliding with a trapezoidal baffle plate. When the trapezoidal baffle plate rises or falls, the feeding amount of the feeding port can be controlled to prevent excessive feeding from causing blockage in the drum, resulting in insufficient grain crushing. When the Z-shaped support rod rotates, it drives the roller to rotate in the drum.

Description

Technical Field

[0001] The invention relates to the technical field of grain crushing, in particular to a grain crushing device for food processing. Background Art

[0002] Grain crushing has many uses, mainly in food processing, feed production and industrial applications. Grain crushing is not only a key step in food processing, but also plays an important role in many fields such as animal feed and industrial production.

[0003] The patent with patent announcement number CN213966870U relates to a grain crushing device, and in particular to a grain crushing device for food processing. The technical problem to be solved by this patent is to provide a grain crushing device for food processing with low manual labor intensity and high grain crushing efficiency. In order to solve the above technical problems, the patent provides such a grain crushing device for food processing, including: a support plate, which is connected to one side of the bottom plate; a fixed frame, which is connected to the side of the bottom plate close to the support plate; a mixing component, which is connected between the support plate and the fixed frame; a rolling component, which is connected between the mixing component and one side of the fixed frame. Through the action of the mixing component and the rolling component, the grains can be quickly and evenly crushed, and there is no need to manually push the stone mill to crush the grains to achieve crushing.

[0004] In the above patent, the grains can be quickly and evenly crushed by the mixing component and the rolling component, without the need to manually push the stone mill to crush the grains to achieve crushing. However, it is difficult to control the feed amount and sufficient crushing, which may lead to uneven crushing quality and affect sales. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a grain crushing device for food processing, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A grain crushing device for food processing, comprising a drum, a feeding device, a scraping device and a discharging device;

[0007] Among them, a support plate is fixedly connected to the right side of the drum, a motor is fixedly connected to the top of the support plate, an output end of the motor is fixedly connected to one end of a Z-shaped support rod, a roller is rotatably connected to the circumferential surface of the Z-shaped support rod, a discharge bin is fixedly connected to the bottom of the drum, a preparation hopper is fixedly connected to the top of the drum, and a discharge port is opened at the bottom of the drum;

[0008] Among them, the feeding device includes a trapezoidal baffle, a fixed frame, a long rod, a hollow baffle column, and a support column. The fixed frame is fixedly connected to the right side of the drum, the trapezoidal baffle slides through the fixed frame, one end of the long rod is fixedly connected to the side of the trapezoidal baffle close to the preparation hopper, the top of the support column is fixedly connected to the other end of the support column, and the hollow baffle column is fixedly connected to the bottom of the support column. When the gap on the circumferential surface of the hollow baffle column leaks out, the grains in the preparation hopper will fall into the drum along the gap on the circumferential surface of the hollow baffle column. A slide groove is provided on the circumferential surface of the support column, and one end of the support rod 1 close to the support column moves in the slide groove. When the support column rises or falls, it will drive the support rod 1 to rotate along the slide groove, and when the support rod 1 rotates, it will drive the baffle 2 to rotate.

[0009] According to the above technical solution, the trapezoidal baffle is in contact with the fixed frame, baffle one is fixedly connected to the surface of the trapezoidal baffle, a sliding groove is provided on the circumferential surface of the support column, the fixed frame is used to limit the movement direction of the trapezoidal baffle, and baffle one can prevent the trapezoidal baffle from falling off.

[0010] According to the above technical solution, the feeding device also includes baffle 2 and support rod 1. One end of the support rod 1 is slidably connected in the slide groove of the support column. The baffle 2 is fixedly connected to the other end of the support rod 1. A slide groove is provided on the circumferential surface of the support column. One end of the support rod 1 close to the support column moves in the slide groove. When the support column rises or falls, it drives the support rod 1 to rotate along the slide groove.

[0011] According to the above technical scheme, the scraper device includes an L-shaped baffle, a second support rod, a rotating rod, a third baffle, a third support rod, and a scraper. The L-shaped baffle is fixedly connected to the left side of the drum, the second support rod is fixedly connected to the top of the L-shaped baffle, the rotating rod is rotatably connected to the circumferential surface of the second support rod, the third support rod is rotatably connected to the top of the rotating rod, the scraper is fixedly connected to the circumferential surface of the third support rod, and the third baffle is fixedly connected to the left side of the scraper. The Z-shaped support rod is driven to rotate by the output end of the motor. When the Z-shaped support rod rotates, it drives the roller to rotate along the inner wall of the drum. When the roller rotates along the inner wall of the drum, it crushes the grains that fall from the preparation hopper into the inside of the drum and crushes them.

[0012] According to the above technical solution, a torsion spring is arranged between the rotating rod and the support rod three, and the bottom of the rotating rod is rotatably connected to the tail of the Z-shaped support rod. The scraper contacts the rubber block through the baffle three and cooperates with the torsion spring to store force and bounce the grains at the bottom of the drum to make them more fully crushed.

[0013] According to the above technical scheme, the discharging device includes a rubber block, a telescopic rod 1, a baffle rod 2, a push plate 2, a push block, and a screen. The screen is fixedly connected to the top of the discharging port, the rubber block is fixedly connected to the top of the screen, the telescopic rod 1 is fixedly connected to the left side of the drum, the baffle rod 2 is rotatably connected to the circumferential surface of the telescopic rod 1, the push plate 2 is slidably connected to the bottom of the screen, and the push block is fixedly connected to the side of the rotating rod away from the roller. When the baffle rod 2 rotates, the telescopic rod 1 will be driven to extend, and when the telescopic rod 1 is extended, the push plate 2 will be driven to move to a side away from the tail of the drum. When the push plate 2 moves to a side away from the tail of the drum, the crushed grains will fall into the discharging bin from the discharging port.

[0014] According to the above technical solution, the discharging device also includes a push plate 1, a telescopic rod 2, and a baffle rod 1. The telescopic rod 2 is fixedly passed through the left side of the drum, the baffle rod 1 is rotatably connected to the circumferential surface of the telescopic rod 2, and the push plate 1 is fixedly connected to the telescopic end of the telescopic rod 2. When the baffle rod 1 rotates, it drives the telescopic rod 2 to extend and retract, so that the incompletely crushed grains can be pushed to the place where the roller rotates to continue to be fully crushed.

[0015] According to the above technical solution, the push block contacts the first and second baffle rods, and the second baffle rod contacts the rubber block. When the second baffle rod contacts the rubber block, the rubber block is driven to vibrate.

[0016] The present invention provides a grain crushing device for food processing, which has the following beneficial effects:

[0017] (1) The grain crushing device for food processing drives the Z-shaped support rod to rotate through a motor, thereby colliding with a trapezoidal baffle. When the trapezoidal baffle rises or falls, the feed amount of the feed port can be controlled to prevent excessive feed from clogging the drum and causing insufficient grain crushing. When the hollow baffle column rises or falls, a slide groove is provided on the circumferential surface of the support rod 1, and one end of the support rod 1 moves in the slide groove. The support rod 1 drives the baffle 2 to rotate in the preparation hopper, so that the grain can be turned over in the preparation hopper, thereby preventing the grain from piling up at the feed port and clogging the feed port.

[0018] (2) The grain crushing device for food processing drives the Z-shaped support rod to rotate through a motor. When the Z-shaped support rod rotates, it drives the roller to rotate in the drum to crush the grain. When the roller rotates in the drum, it drives the scraper to scrape the inner wall of the drum to prevent the grain from adhering to the inner wall of the drum. A torsion spring is provided between the support rod three and the rotating rod. The scraper contacts the rubber block through the baffle three and cooperates with the torsion spring to store force and bounce, so as to throw the grain at the bottom of the drum to make it more fully crushed.

[0019] (3) The grain crushing device for food processing drives the rotating rod to rotate when the roller rotates, and drives the push block to rotate when the push block rotates. When the push block rotates, the push block contacts the second baffle rod and drives the second baffle rod to rotate. When the second baffle rod rotates, the push plate 2 moves away from the roller, so that the discharge port can be opened to discharge the crushed grains. When the third baffle plate rotates, it contacts the rubber block. When the third baffle plate moves to a certain position, the rubber block generates elastic force and drives the screen to vibrate, so that the crushed grains can be discharged and the crushed grains can be prevented from being blocked at the discharge port. After the screen vibrates, the grains that have not been completely crushed remain above the screen. At this time, the push block contacts the first baffle rod, and the first baffle rod rotates accordingly. When the first baffle rod rotates, the second telescopic rod is extended and retracted, so that the grains that have not been completely crushed can be pushed to the place where the roller rotates to continue to be fully crushed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the feeding device and the motor position structure of the present invention;

[0022] Figure 3 For the present invention Figure 2 A schematic diagram of the structure enlargement of part A;

[0023] Figure 4 It is a schematic diagram of the position structure of the scraping device and the discharging device of the present invention;

[0024] Figure 5 For the present invention Figure 4 A schematic diagram of the structure of part B in the middle is enlarged;

[0025] Figure 6 This is a schematic diagram of the internal structure of the material preparation hopper of the present invention;

[0026] Figure 7 It is a schematic diagram of the position structure of the rubber block and the screen mesh of the present invention.

[0027] In the figure: 1. drum; 2. roller; 3. motor; 301. Z-shaped support rod; 302. trapezoidal baffle; 303. fixed frame; 304. baffle one; 305. long rod; 306. hollow baffle column; 307. support column; 308. baffle two; 309. support rod one; 4. preparation hopper; 5. discharge bin; 601. L-shaped baffle; 602. support rod two; 603. rotating rod; 604. baffle three; 605. support rod three; 606. scraper; 7. discharge port; 801. rubber block; 802. push plate one; 803. telescopic rod one; 804. telescopic rod two; 805. baffle rod one; 806. baffle rod two; 807. push plate two; 808. push block; 809. screen; 9. support plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 7 , a grain crushing device for food processing, comprising a drum 1, a feeding device, a scraping device and a discharging device;

[0030] Among them, a support plate 9 is fixedly connected to the right side of the drum 1, a motor 3 is fixedly connected to the top of the support plate 9, an output end of the motor 3 is fixedly connected to one end of a Z-shaped support rod 301, a roller 2 is rotatably connected to the circumferential surface of the Z-shaped support rod 301, a discharge bin 5 is fixedly connected to the bottom of the drum 1, a preparation hopper 4 is fixedly connected to the top of the drum 1, and a discharge port 7 is opened at the bottom of the drum 1;

[0031] Among them, the feeding device includes a trapezoidal baffle 302, a fixed frame 303, a long rod 305, a hollow baffle column 306, and a support column 307. The fixed frame 303 is fixedly connected to the right side of the drum 1, the trapezoidal baffle 302 slides through the fixed frame 303, one end of the long rod 305 is fixedly connected to the side of the trapezoidal baffle 302 close to the preparation hopper 4, the top of the support column 307 is fixedly connected to the other end of the support column 307, and the hollow baffle column 306 is fixedly connected to the bottom of the support column 307. When the trapezoidal baffle 302 rises or falls, the feeding amount of the preparation hopper 4 can be controlled to prevent excessive feeding from causing blockage in the drum 1 and insufficient grain crushing. The support rod 1 309 will drive the baffle 2 308 to rotate in the preparation hopper 4, so that the grain can be turned over in the preparation hopper 4 to prevent the grain from piling up at the feed port and causing blockage in the feed port.

[0032] The trapezoidal baffle 302 contacts the fixed frame 303, and a baffle 1 304 is fixedly connected to the surface of the trapezoidal baffle 302. A sliding groove is provided on the circumferential surface of the support column 307. The fixed frame 303 is used to limit the moving direction of the trapezoidal baffle 302, and the baffle 1 304 can prevent the trapezoidal baffle 302 from falling off.

[0033] The feeding device also includes baffle plate 2 308 and support rod 1 309. One end of support rod 1 309 is slidably connected in the slide groove of support column 307. Baffle plate 2 308 is fixedly connected to the other end of support rod 1 309. A slide groove is provided on the circumferential surface of support column 307. One end of support rod 1 309 close to support column 307 moves in the slide groove. When support column 307 rises or falls, it drives support rod 1 309 to rotate along the slide groove.

[0034] The scraper device includes an L-shaped baffle 601, a second support rod 602, a rotating rod 603, a third baffle 604, a third support rod 605, and a scraper 606. The L-shaped baffle 601 is fixedly connected to the left side of the drum 1, the second support rod 602 is fixedly connected to the top of the L-shaped baffle 601, the rotating rod 603 is rotatably connected to the circumferential surface of the second support rod 602, the third support rod 605 is rotatably connected to the top of the rotating rod 603, the scraper 606 is fixedly connected to the circumferential surface of the third support rod 605, and the third baffle 604 is fixedly connected to the left side of the scraper 606. When the roller 2 rotates in the drum 1, the scraper 606 will be driven to scrape the inner wall of the drum 1 to prevent grains from adhering to the inner wall of the drum 1.

[0035] A torsion spring is arranged between the rotating rod 603 and the supporting rod three 605. The bottom of the rotating rod 603 is rotatably connected to the tail of the Z-shaped supporting rod 301. The scraper 606 contacts the rubber block 801 through the baffle three 604 and cooperates with the torsion spring to make the scraper 606 accumulate force and bounce, so as to toss the grains at the bottom of the drum 1 and crush them more fully.

[0036] The discharging device includes a rubber block 801, a telescopic rod 803, a baffle rod 806, a push plate 807, a push block 808, and a screen 809. The screen 809 is fixedly connected to the top of the discharging port 7, the rubber block 801 is fixedly connected to the top of the screen 809, the telescopic rod 803 is fixedly connected to the left side of the drum 1, the baffle rod 806 is rotatably connected to the circumferential surface of the telescopic rod 803, the push plate 807 is slidably connected to the bottom of the screen 809, and the push block 808 is fixedly connected to the side of the rotating rod 603 away from the roller 2. When the baffle rod 806 rotates to drive the push plate 807 to move away from the drum 1, the discharging port 7 can be opened to allow the crushed grains to be discharged.

[0037] The discharging device also includes a push plate 802, a telescopic rod 804, and a baffle 805. The telescopic rod 804 is fixedly passed through the left side of the drum 1, and the baffle 805 is rotatably connected to the circumferential surface of the telescopic rod 804. The push plate 802 is fixedly connected to the telescopic end of the telescopic rod 804. When the baffle 805 rotates, the telescopic rod 804 is driven to extend and retract, so that the incompletely crushed grains can be pushed to the place where the roller 2 rotates to continue to be fully crushed.

[0038] The push block 808 contacts the first stopper rod 805 and the second stopper rod 806 , and the second stopper rod 806 contacts the rubber block 801 . When the second stopper rod 806 contacts the rubber block 801 , the rubber block 801 is driven to vibrate.

[0039] When working: the output end of the motor 3 drives the Z-shaped support rod 301 to rotate. When the Z-shaped support rod 301 rotates, it will contact the inclined surface of the trapezoidal baffle 302. When the Z-shaped support rod 301 contacts the inclined surface of the trapezoidal baffle 302, it will drive the trapezoidal baffle 302 to rise. When the Z-shaped support rod 301 continues to rotate, the Z-shaped support rod 301 will break away from the inclined surface of the trapezoidal baffle 302. When the Z-shaped support rod 301 breaks away from the inclined surface of the trapezoidal baffle 302, the trapezoidal baffle 302 will move downward under the influence of gravity. When the bottom of the baffle 304 contacts the top of the fixed frame 303, the trapezoidal baffle 302 will stop falling. When the trapezoidal baffle 302 rises, it will drive the long rod 30 5 rises, and when the long rod 305 rises, it will drive the support column 307 to rise, and when the support column 307 rises, it will drive the hollow blocking column 306 to rise, and when the hollow blocking column 306 rises, the gap on the circumferential surface of the hollow blocking column 306 will leak out, and when the gap on the circumferential surface of the hollow blocking column 306 leaks out, the grains in the preparation hopper 4 will fall into the drum 1 along the gap on the circumferential surface of the hollow blocking column 306, and the circumferential surface of the support column 307 is provided with a sliding groove, and one end of the support rod 1 309 close to the support column 307 moves in the sliding groove, and when the support column 307 rises or falls, it will drive the support rod 1 309 to rotate along the sliding groove, and when the support rod 1 309 rotates, it will drive the baffle 2 308 to rotate.

[0040] The output end of the motor 3 drives the Z-shaped support rod 301 to rotate. When the Z-shaped support rod 301 rotates, it drives the roller 2 to rotate along the inner wall of the drum 1. When the roller 2 rotates along the inner wall of the drum 1, it crushes the grains that fall from the preparation hopper 4 into the drum 1 and crushes them. The L-shaped baffle 601 is fixedly connected to the tail of the drum 1, and the support rod 2 602 is fixedly connected to the side of the L-shaped baffle 601 close to the tail of the drum 1. The rotating rod 603 is rotatably connected to the circumferential surface of the support rod 2 602. The Z-shaped support rod 301 rotates and passes through one end of the rotating rod 603. When the Z-shaped support rod 301 rotates, it drives the rotating rod 603 to rotate. When the rotating rod 603 rotates, it drives the support rod 3 605 to rotate. When the support rod 3 605 rotates, it will drive the scraper 606 to scrape along the inner wall of the drum 1. When the rotating rod 603 connected to one end of the support rod 3 605 rotates to the position of the rubber block 801, the baffle 3 604 will contact the rubber block 801. A torsion spring is arranged between the rotating rod 603 and the support rod 3 605. When the baffle 3 604 contacts the rubber block 801, the baffle 3 604 will drive the scraper 606 to rotate. When the rotating rod 603 continues to rotate, the baffle 3 604 will be out of contact with the rubber block 801. When the baffle 3 604 is out of contact with the rubber block 801, the torsion spring between the rotating rod 603 and the support rod 3 605 will drive the scraper 606 to return to its original position. When the scraper 606 returns to its original position, it will drive the grains on the bottom wall of the drum 1 to turn over. When the grains on the bottom wall of the drum 1 are turned over, they can be crushed more fully. When the baffle plate 3 604 contacts the rubber block 801, the rubber block 801 will also be deformed. When the rotating rod 603 continues to rotate, the rubber block 801 will be out of contact with the baffle plate 3 604 and vibrate. When the rubber block 801 vibrates, it will drive the grains that have been crushed on the top of the screen 809 to pass through the screen 809. When the rotating rod 603 rotates, it will drive the push block 808 to rotate. When the rotating rod 603 continues to rotate, the push block 808 will contact the second baffle bar 806. When the push block 808 contacts the second baffle bar 806, it will drive the second baffle bar 806 to rotate. When the rotating rod 603 continues to rotate, the second blocking rod 806 will be separated from the contact with the rotating rod 603. A spring is arranged between the second blocking rod 806 and the telescopic rod 1 803. When the second blocking rod 806 is separated from the contact with the rotating rod 603, the second blocking rod 806 will return to its position. When the second blocking rod 806 returns to its position, the telescopic rod 1 803 will be retracted. When the rotating rod 603 continues to rotate, the push block 808 will contact the first blocking rod 805.When the push block 808 contacts the stop bar 1 805, it drives the stop bar 1 805 to rotate. When the stop bar 1 805 rotates, it drives the telescopic rod 2 804 to extend. When the telescopic rod 2 804 extends, it pushes the push plate 1 802 to move away from the tail of the drum 1. When the push plate 1 802 moves away from the tail of the drum 1, it pushes the un-crushed grains on the top of the screen 809 to move toward the roller 2 for re-crushing.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grain crushing device for food processing, comprising a drum (1), characterized in that: It also includes a feeding device, a scraping device and a discharging device; The right side of the drum (1) is fixedly connected to a support plate (9), the top of the support plate (9) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to one end of a Z-shaped support rod (301), the circumferential surface of the Z-shaped support rod (301) is rotatably connected to a roller (2), the bottom of the drum (1) is fixedly connected to a discharge bin (5), the top of the drum (1) is fixedly connected to a material preparation hopper (4), and the bottom of the drum (1) is provided with a discharge port (7); The feeding device comprises a trapezoidal baffle (302), a fixed frame (303), a long rod (305), a hollow baffle column (306) and a support column (307); the fixed frame (303) is fixedly connected to the right side of the drum (1); the trapezoidal baffle (302) slides through the fixed frame (303); one end of the long rod (305) is fixedly connected to a side of the trapezoidal baffle (302) close to the material preparation hopper (4); the top of the support column (307) is fixedly connected to the other end of the long rod (305); and the hollow baffle column (306) is fixedly connected to the bottom of the support column (307); The scraper device comprises an L-shaped baffle (601), a second support rod (602), a rotating rod (603), a third baffle (604), a third support rod (605) and a scraper (606), wherein the L-shaped baffle (601) is fixedly connected to the rear of the drum (1), the second support rod (602) is fixedly connected to the top of the L-shaped baffle (601), the rotating rod (603) is rotatably connected to the circumferential surface of the second support rod (602), the third support rod (605) is rotatably connected to the top of the rotating rod (603), the scraper (606) is fixedly connected to the circumferential surface of the third support rod (605), and the third baffle (604) is fixedly connected to an end of the scraper (606) close to the left side of the drum (1).

2. A grain crushing device for food processing according to claim 1, characterized in that: The trapezoidal baffle (302) is in contact with the fixed frame (303); a baffle 1 (304) is fixedly connected to the surface of the trapezoidal baffle (302); and a sliding groove is provided on the circumferential surface of the support column (307).

3. A grain crushing device for food processing according to claim 2, characterized in that: The feeding device also includes baffle plate 2 (308) and support rod 1 (309), one end of the support rod 1 (309) is slidably connected in the slide groove of the support column (307), and the baffle plate 2 (308) is fixedly connected to the other end of the support rod 1 (309).

4. A grain crushing device for food processing according to claim 1, characterized in that: A spring is provided between the rotating rod (603) and the third support rod (605), and the bottom of the rotating rod (603) is rotatably connected to the left side of the Z-shaped support rod (301).

5. A grain crushing device for food processing according to claim 1, characterized in that: The discharging device comprises a rubber block (801), a telescopic rod (803), a second baffle rod (806), a second push plate (807), a push block (808) and a screen (809), wherein the screen (809) is fixedly connected to the top of the discharging port (7), the rubber block (801) is fixedly connected to the top of the screen (809), the telescopic rod (803) is fixedly connected to the left side of the drum (1), the second baffle rod (806) is rotatably connected to the circumferential surface of the telescopic rod (803), the second push plate (807) is slidably connected to the bottom of the screen (809), and the push block (808) is fixedly connected to a side of the rotating rod (603) away from the roller (2).

6. A grain crushing device for food processing according to claim 5, characterized in that: The discharging device also includes a push plate 1 (802), a telescopic rod 2 (804) and a blocking rod 1 (805), wherein the telescopic rod 2 (804) is fixedly connected to the left side of the drum (1), the blocking rod 1 (805) is rotatably connected to the circumferential surface of the telescopic rod 2 (804), and the push plate 1 (802) is fixedly connected to the telescopic end of the telescopic rod 2 (804).

7. A grain crushing device for food processing according to claim 6, characterized in that: The push block (808) contacts the first blocking rod (805) and the second blocking rod (806), and the second blocking rod (806) contacts the rubber block (801).

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